420210639

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{255137}}^1$

素因数の和:255207

約数の個数: 16

約数和(自身を含む): 632742240

約数和(自身を除く): 212531601

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 255137, 765411, 2296233, 6888699, 15563357, 46690071, 140070213, 420210639]

約数ペア:

[(1, 420210639), (3, 140070213), (9, 46690071), (27, 15563357), (61, 6888699), (183, 2296233), (549, 765411), (1647, 255137)]