1639732575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{23687}}^1$

素因数の和:23784

約数の個数: 48

約数和(自身を含む): 2960810496

約数和(自身を除く): 1321077921

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 325, 355, 923, 975, 1065, 1775, 2769, 4615, 5325, 13845, 23075, 23687, 69225, 71061, 118435, 307931, 355305, 592175, 923793, 1539655, 1681777, 1776525, 4618965, 5045331, 7698275, 8408885, 21863101, 23094825, 25226655, 42044425, 65589303, 109315505, 126133275, 327946515, 546577525, 1639732575]

約数ペア:

[(1, 1639732575), (3, 546577525), (5, 327946515), (13, 126133275), (15, 109315505), (25, 65589303), (39, 42044425), (65, 25226655), (71, 23094825), (75, 21863101), (195, 8408885), (213, 7698275), (325, 5045331), (355, 4618965), (923, 1776525), (975, 1681777), (1065, 1539655), (1775, 923793), (2769, 592175), (4615, 355305), (5325, 307931), (13845, 118435), (23075, 71061), (23687, 69225)]