28190475

素因数分解:

$3^2\times 5^2\times {\mathrm{349}}^1\times {\mathrm{359}}^1$

素因数の和:724

約数の個数: 36

約数和(自身を含む): 50778000

約数和(自身を除く): 22587525

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 349, 359, 1047, 1077, 1745, 1795, 3141, 3231, 5235, 5385, 8725, 8975, 15705, 16155, 26175, 26925, 78525, 80775, 125291, 375873, 626455, 1127619, 1879365, 3132275, 5638095, 9396825, 28190475]

約数ペア:

[(1, 28190475), (3, 9396825), (5, 5638095), (9, 3132275), (15, 1879365), (25, 1127619), (45, 626455), (75, 375873), (225, 125291), (349, 80775), (359, 78525), (1047, 26925), (1077, 26175), (1745, 16155), (1795, 15705), (3141, 8975), (3231, 8725), (5235, 5385)]