12720225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{24229}}^1$

素因数の和:24249

約数の個数: 24

約数和(自身を含む): 24036160

約数和(自身を除く): 11315935

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 24229, 72687, 121145, 169603, 363435, 508809, 605725, 848015, 1817175, 2544045, 4240075, 12720225]

約数ペア:

[(1, 12720225), (3, 4240075), (5, 2544045), (7, 1817175), (15, 848015), (21, 605725), (25, 508809), (35, 363435), (75, 169603), (105, 121145), (175, 72687), (525, 24229)]