42790221

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{17807}}^1$

素因数の和:17905

約数の個数: 16

約数和(自身を含む): 64108800

約数和(自身を除く): 21318579

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 17807, 53421, 160263, 480789, 1584823, 4754469, 14263407, 42790221]

約数ペア:

[(1, 42790221), (3, 14263407), (9, 4754469), (27, 1584823), (89, 480789), (267, 160263), (801, 53421), (2403, 17807)]