51508665

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{521}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 96904080

約数和(自身を除く): 45395415

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 521, 585, 845, 1521, 1563, 2197, 2535, 2605, 4689, 6591, 6773, 7605, 7815, 10985, 19773, 20319, 23445, 32955, 33865, 60957, 88049, 98865, 101595, 264147, 304785, 440245, 792441, 1144637, 1320735, 3433911, 3962205, 5723185, 10301733, 17169555, 51508665]

約数ペア:

[(1, 51508665), (3, 17169555), (5, 10301733), (9, 5723185), (13, 3962205), (15, 3433911), (39, 1320735), (45, 1144637), (65, 792441), (117, 440245), (169, 304785), (195, 264147), (507, 101595), (521, 98865), (585, 88049), (845, 60957), (1521, 33865), (1563, 32955), (2197, 23445), (2535, 20319), (2605, 19773), (4689, 10985), (6591, 7815), (6773, 7605)]