61211625

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 109264896

約数和(自身を除く): 48053271

約数列:

[1, 3, 5, 15, 23, 25, 47, 69, 75, 115, 125, 141, 151, 235, 345, 375, 453, 575, 705, 755, 1081, 1175, 1725, 2265, 2875, 3243, 3473, 3525, 3775, 5405, 5875, 7097, 8625, 10419, 11325, 16215, 17365, 17625, 18875, 21291, 27025, 35485, 52095, 56625, 81075, 86825, 106455, 135125, 163231, 177425, 260475, 405375, 434125, 489693, 532275, 816155, 887125, 1302375, 2448465, 2661375, 4080775, 12242325, 20403875, 61211625]

約数ペア:

[(1, 61211625), (3, 20403875), (5, 12242325), (15, 4080775), (23, 2661375), (25, 2448465), (47, 1302375), (69, 887125), (75, 816155), (115, 532275), (125, 489693), (141, 434125), (151, 405375), (235, 260475), (345, 177425), (375, 163231), (453, 135125), (575, 106455), (705, 86825), (755, 81075), (1081, 56625), (1175, 52095), (1725, 35485), (2265, 27025), (2875, 21291), (3243, 18875), (3473, 17625), (3525, 17365), (3775, 16215), (5405, 11325), (5875, 10419), (7097, 8625)]