11979819

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1272

約数の個数: 20

約数和(自身を含む): 18048360

約数和(自身を除く): 6068541

約数列:

[1, 3, 9, 27, 81, 131, 393, 1129, 1179, 3387, 3537, 10161, 10611, 30483, 91449, 147899, 443697, 1331091, 3993273, 11979819]

約数ペア:

[(1, 11979819), (3, 3993273), (9, 1331091), (27, 443697), (81, 147899), (131, 91449), (393, 30483), (1129, 10611), (1179, 10161), (3387, 3537)]