28709775

素因数分解:

$3^3\times 5^2\times {\mathrm{42533}}^1$

素因数の和:42552

約数の個数: 24

約数和(自身を含む): 52742160

約数和(自身を除く): 24032385

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 42533, 127599, 212665, 382797, 637995, 1063325, 1148391, 1913985, 3189975, 5741955, 9569925, 28709775]

約数ペア:

[(1, 28709775), (3, 9569925), (5, 5741955), (9, 3189975), (15, 1913985), (25, 1148391), (27, 1063325), (45, 637995), (75, 382797), (135, 212665), (225, 127599), (675, 42533)]