9721075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4273}}^1$

素因数の和:4303

約数の個数: 24

約数和(自身を含む): 14839328

約数和(自身を除く): 5118253

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 4273, 21365, 29911, 55549, 106825, 149555, 277745, 388843, 747775, 1388725, 1944215, 9721075]

約数ペア:

[(1, 9721075), (5, 1944215), (7, 1388725), (13, 747775), (25, 388843), (35, 277745), (65, 149555), (91, 106825), (175, 55549), (325, 29911), (455, 21365), (2275, 4273)]