2220705

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 3917160

約数和(自身を除く): 1696455

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 809, 915, 2427, 2745, 4045, 7281, 12135, 36405, 49349, 148047, 246745, 444141, 740235, 2220705]

約数ペア:

[(1, 2220705), (3, 740235), (5, 444141), (9, 246745), (15, 148047), (45, 49349), (61, 36405), (183, 12135), (305, 7281), (549, 4045), (809, 2745), (915, 2427)]