2016789975

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 96

約数和(自身を含む): 3817850880

約数和(自身を除く): 1801060905

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 135, 141, 151, 225, 235, 421, 423, 453, 675, 705, 755, 1175, 1263, 1269, 1359, 2105, 2115, 2265, 3525, 3775, 3789, 4077, 6315, 6345, 6795, 7097, 10525, 10575, 11325, 11367, 18945, 19787, 20385, 21291, 31575, 31725, 33975, 35485, 56835, 59361, 63571, 63873, 94725, 98935, 101925, 106455, 177425, 178083, 190713, 191619, 284175, 296805, 317855, 319365, 494675, 532275, 534249, 572139, 890415, 953565, 958095, 1484025, 1589275, 1596825, 1716417, 2671245, 2860695, 2987837, 4452075, 4767825, 4790475, 8582085, 8963511, 13356225, 14303475, 14939185, 26890533, 42910425, 44817555, 74695925, 80671599, 134452665, 224087775, 403357995, 672263325, 2016789975]

約数ペア:

[(1, 2016789975), (3, 672263325), (5, 403357995), (9, 224087775), (15, 134452665), (25, 80671599), (27, 74695925), (45, 44817555), (47, 42910425), (75, 26890533), (135, 14939185), (141, 14303475), (151, 13356225), (225, 8963511), (235, 8582085), (421, 4790475), (423, 4767825), (453, 4452075), (675, 2987837), (705, 2860695), (755, 2671245), (1175, 1716417), (1263, 1596825), (1269, 1589275), (1359, 1484025), (2105, 958095), (2115, 953565), (2265, 890415), (3525, 572139), (3775, 534249), (3789, 532275), (4077, 494675), (6315, 319365), (6345, 317855), (6795, 296805), (7097, 284175), (10525, 191619), (10575, 190713), (11325, 178083), (11367, 177425), (18945, 106455), (19787, 101925), (20385, 98935), (21291, 94725), (31575, 63873), (31725, 63571), (33975, 59361), (35485, 56835)]