2908629

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 20

約数和(自身を含む): 4392300

約数和(自身を除く): 1483671

約数列:

[1, 3, 9, 27, 81, 149, 241, 447, 723, 1341, 2169, 4023, 6507, 12069, 19521, 35909, 107727, 323181, 969543, 2908629]

約数ペア:

[(1, 2908629), (3, 969543), (9, 323181), (27, 107727), (81, 35909), (149, 19521), (241, 12069), (447, 6507), (723, 4023), (1341, 2169)]