1871036775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 3676907520

約数和(自身を除く): 1805870745

約数列:

[1, 3, 5, 9, 15, 23, 25, 31, 45, 69, 75, 93, 107, 109, 115, 155, 207, 225, 279, 321, 327, 345, 465, 535, 545, 575, 713, 775, 963, 981, 1035, 1395, 1605, 1635, 1725, 2139, 2325, 2461, 2507, 2675, 2725, 3317, 3379, 3565, 4815, 4905, 5175, 6417, 6975, 7383, 7521, 8025, 8175, 9951, 10137, 10695, 11663, 12305, 12535, 16585, 16895, 17825, 22149, 22563, 24075, 24525, 29853, 30411, 32085, 34989, 36915, 37605, 49755, 50685, 53475, 58315, 61525, 62675, 76291, 77717, 82925, 84475, 104967, 110745, 112815, 149265, 152055, 160425, 174945, 184575, 188025, 228873, 233151, 248775, 253425, 268249, 291575, 361553, 381455, 388585, 524835, 553725, 564075, 686619, 699453, 746325, 760275, 804747, 874725, 1084659, 1144365, 1165755, 1341245, 1807765, 1907275, 1942925, 2414241, 2624175, 3253977, 3433095, 3497265, 4023735, 5423295, 5721825, 5828775, 6706225, 8315719, 9038825, 12071205, 16269885, 17165475, 17486325, 20118675, 24947157, 27116475, 41578595, 60356025, 74841471, 81349425, 124735785, 207892975, 374207355, 623678925, 1871036775]

約数ペア:

[(1, 1871036775), (3, 623678925), (5, 374207355), (9, 207892975), (15, 124735785), (23, 81349425), (25, 74841471), (31, 60356025), (45, 41578595), (69, 27116475), (75, 24947157), (93, 20118675), (107, 17486325), (109, 17165475), (115, 16269885), (155, 12071205), (207, 9038825), (225, 8315719), (279, 6706225), (321, 5828775), (327, 5721825), (345, 5423295), (465, 4023735), (535, 3497265), (545, 3433095), (575, 3253977), (713, 2624175), (775, 2414241), (963, 1942925), (981, 1907275), (1035, 1807765), (1395, 1341245), (1605, 1165755), (1635, 1144365), (1725, 1084659), (2139, 874725), (2325, 804747), (2461, 760275), (2507, 746325), (2675, 699453), (2725, 686619), (3317, 564075), (3379, 553725), (3565, 524835), (4815, 388585), (4905, 381455), (5175, 361553), (6417, 291575), (6975, 268249), (7383, 253425), (7521, 248775), (8025, 233151), (8175, 228873), (9951, 188025), (10137, 184575), (10695, 174945), (11663, 160425), (12305, 152055), (12535, 149265), (16585, 112815), (16895, 110745), (17825, 104967), (22149, 84475), (22563, 82925), (24075, 77717), (24525, 76291), (29853, 62675), (30411, 61525), (32085, 58315), (34989, 53475), (36915, 50685), (37605, 49755)]