87816645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 198761472

約数和(自身を除く): 110944827

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 23, 31, 35, 45, 51, 63, 69, 85, 93, 105, 115, 119, 153, 155, 161, 207, 217, 255, 279, 315, 345, 357, 391, 465, 483, 527, 529, 595, 651, 713, 765, 805, 1035, 1071, 1085, 1173, 1395, 1449, 1581, 1587, 1785, 1953, 1955, 2139, 2415, 2635, 2645, 2737, 3255, 3519, 3565, 3689, 3703, 4743, 4761, 4991, 5355, 5865, 6417, 7245, 7905, 7935, 8211, 8993, 9765, 10695, 11067, 11109, 12121, 13685, 14973, 16399, 17595, 18445, 18515, 23715, 23805, 24633, 24955, 26979, 32085, 33201, 33327, 36363, 41055, 44919, 44965, 49197, 55335, 55545, 60605, 62951, 74865, 80937, 81995, 84847, 109089, 114793, 123165, 134895, 147591, 166005, 166635, 181815, 188853, 224595, 245985, 254541, 278783, 314755, 344379, 404685, 424235, 545445, 566559, 573965, 737955, 763623, 836349, 944265, 1033137, 1272705, 1393915, 1721895, 1951481, 2509047, 2832795, 3818115, 4181745, 5165685, 5854443, 9757405, 12545235, 17563329, 29272215, 87816645]

約数ペア:

[(1, 87816645), (3, 29272215), (5, 17563329), (7, 12545235), (9, 9757405), (15, 5854443), (17, 5165685), (21, 4181745), (23, 3818115), (31, 2832795), (35, 2509047), (45, 1951481), (51, 1721895), (63, 1393915), (69, 1272705), (85, 1033137), (93, 944265), (105, 836349), (115, 763623), (119, 737955), (153, 573965), (155, 566559), (161, 545445), (207, 424235), (217, 404685), (255, 344379), (279, 314755), (315, 278783), (345, 254541), (357, 245985), (391, 224595), (465, 188853), (483, 181815), (527, 166635), (529, 166005), (595, 147591), (651, 134895), (713, 123165), (765, 114793), (805, 109089), (1035, 84847), (1071, 81995), (1085, 80937), (1173, 74865), (1395, 62951), (1449, 60605), (1581, 55545), (1587, 55335), (1785, 49197), (1953, 44965), (1955, 44919), (2139, 41055), (2415, 36363), (2635, 33327), (2645, 33201), (2737, 32085), (3255, 26979), (3519, 24955), (3565, 24633), (3689, 23805), (3703, 23715), (4743, 18515), (4761, 18445), (4991, 17595), (5355, 16399), (5865, 14973), (6417, 13685), (7245, 12121), (7905, 11109), (7935, 11067), (8211, 10695), (8993, 9765)]