2645631

素因数分解:

$3^2\times {\mathrm{61}}^2\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 18

約数和(自身を含む): 3934320

約数和(自身を除く): 1288689

約数列:

[1, 3, 9, 61, 79, 183, 237, 549, 711, 3721, 4819, 11163, 14457, 33489, 43371, 293959, 881877, 2645631]

約数ペア:

[(1, 2645631), (3, 881877), (9, 293959), (61, 43371), (79, 33489), (183, 14457), (237, 11163), (549, 4819), (711, 3721)]