1991073735

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:246

約数の個数: 192

約数和(自身を含む): 4313088000

約数和(自身を除く): 2322014265

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 31, 35, 45, 63, 79, 87, 89, 93, 105, 145, 155, 203, 217, 237, 261, 267, 279, 315, 395, 435, 445, 465, 553, 609, 623, 651, 711, 801, 899, 1015, 1085, 1185, 1305, 1335, 1395, 1659, 1827, 1869, 1953, 2291, 2449, 2581, 2697, 2759, 2765, 3045, 3115, 3255, 3555, 4005, 4495, 4977, 5607, 6293, 6873, 7031, 7347, 7743, 8091, 8277, 8295, 9135, 9345, 9765, 11455, 12245, 12905, 13485, 13795, 16037, 17143, 18067, 18879, 19313, 20619, 21093, 22041, 23229, 24831, 24885, 28035, 31465, 34365, 35155, 36735, 38715, 40455, 41385, 48111, 49217, 51429, 54201, 56637, 57939, 63279, 71021, 80011, 80185, 85715, 90335, 94395, 96565, 103095, 105465, 110205, 116145, 124155, 144333, 147651, 154287, 162603, 173817, 203899, 213063, 217961, 240033, 240555, 246085, 257145, 271005, 283185, 289695, 316395, 355105, 400055, 442953, 497147, 560077, 611697, 639189, 653883, 720099, 721665, 738255, 771435, 813015, 869085, 1019495, 1065315, 1089805, 1200165, 1427293, 1491441, 1525727, 1680231, 1835091, 1961649, 2214765, 2485735, 2800385, 3058485, 3195945, 3269415, 3600495, 4281879, 4474323, 4577181, 5040693, 6320869, 7136465, 7457205, 7628635, 8401155, 9175455, 9808245, 12845637, 13731543, 18962607, 21409395, 22371615, 22885905, 25203465, 31604345, 44246083, 56887821, 64228185, 68657715, 94813035, 132738249, 221230415, 284439105, 398214747, 663691245, 1991073735]

約数ペア:

[(1, 1991073735), (3, 663691245), (5, 398214747), (7, 284439105), (9, 221230415), (15, 132738249), (21, 94813035), (29, 68657715), (31, 64228185), (35, 56887821), (45, 44246083), (63, 31604345), (79, 25203465), (87, 22885905), (89, 22371615), (93, 21409395), (105, 18962607), (145, 13731543), (155, 12845637), (203, 9808245), (217, 9175455), (237, 8401155), (261, 7628635), (267, 7457205), (279, 7136465), (315, 6320869), (395, 5040693), (435, 4577181), (445, 4474323), (465, 4281879), (553, 3600495), (609, 3269415), (623, 3195945), (651, 3058485), (711, 2800385), (801, 2485735), (899, 2214765), (1015, 1961649), (1085, 1835091), (1185, 1680231), (1305, 1525727), (1335, 1491441), (1395, 1427293), (1659, 1200165), (1827, 1089805), (1869, 1065315), (1953, 1019495), (2291, 869085), (2449, 813015), (2581, 771435), (2697, 738255), (2759, 721665), (2765, 720099), (3045, 653883), (3115, 639189), (3255, 611697), (3555, 560077), (4005, 497147), (4495, 442953), (4977, 400055), (5607, 355105), (6293, 316395), (6873, 289695), (7031, 283185), (7347, 271005), (7743, 257145), (8091, 246085), (8277, 240555), (8295, 240033), (9135, 217961), (9345, 213063), (9765, 203899), (11455, 173817), (12245, 162603), (12905, 154287), (13485, 147651), (13795, 144333), (16037, 124155), (17143, 116145), (18067, 110205), (18879, 105465), (19313, 103095), (20619, 96565), (21093, 94395), (22041, 90335), (23229, 85715), (24831, 80185), (24885, 80011), (28035, 71021), (31465, 63279), (34365, 57939), (35155, 56637), (36735, 54201), (38715, 51429), (40455, 49217), (41385, 48111)]