1218075

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 2046000

約数和(自身を除く): 827925

約数列:

[1, 3, 5, 15, 25, 75, 109, 149, 327, 447, 545, 745, 1635, 2235, 2725, 3725, 8175, 11175, 16241, 48723, 81205, 243615, 406025, 1218075]

約数ペア:

[(1, 1218075), (3, 406025), (5, 243615), (15, 81205), (25, 48723), (75, 16241), (109, 11175), (149, 8175), (327, 3725), (447, 2725), (545, 2235), (745, 1635)]