85847775

素因数分解:

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

素因数の和:573

約数の個数: 48

約数和(自身を含む): 154052640

約数和(自身を除く): 68204865

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 521, 845, 975, 1563, 2197, 2535, 2605, 4225, 6591, 6773, 7815, 10985, 12675, 13025, 20319, 32955, 33865, 39075, 54925, 88049, 101595, 164775, 169325, 264147, 440245, 507975, 1144637, 1320735, 2201225, 3433911, 5723185, 6603675, 17169555, 28615925, 85847775]

約数ペア:

[(1, 85847775), (3, 28615925), (5, 17169555), (13, 6603675), (15, 5723185), (25, 3433911), (39, 2201225), (65, 1320735), (75, 1144637), (169, 507975), (195, 440245), (325, 264147), (507, 169325), (521, 164775), (845, 101595), (975, 88049), (1563, 54925), (2197, 39075), (2535, 33865), (2605, 32955), (4225, 20319), (6591, 13025), (6773, 12675), (7815, 10985)]