51040725

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 90232320

約数和(自身を除く): 39191595

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 93, 145, 155, 435, 465, 725, 757, 775, 899, 2175, 2271, 2325, 2697, 3785, 4495, 11355, 13485, 18925, 21953, 22475, 23467, 56775, 65859, 67425, 70401, 109765, 117335, 329295, 352005, 548825, 586675, 680543, 1646475, 1760025, 2041629, 3402715, 10208145, 17013575, 51040725]

約数ペア:

[(1, 51040725), (3, 17013575), (5, 10208145), (15, 3402715), (25, 2041629), (29, 1760025), (31, 1646475), (75, 680543), (87, 586675), (93, 548825), (145, 352005), (155, 329295), (435, 117335), (465, 109765), (725, 70401), (757, 67425), (775, 65859), (899, 56775), (2175, 23467), (2271, 22475), (2325, 21953), (2697, 18925), (3785, 13485), (4495, 11355)]