261609939

素因数分解:

$3^3\times {\mathrm{2393}}^1\times {\mathrm{4049}}^1$

素因数の和:6451

約数の個数: 16

約数和(自身を含む): 387828000

約数和(自身を除く): 126218061

約数列:

[1, 3, 9, 27, 2393, 4049, 7179, 12147, 21537, 36441, 64611, 109323, 9689257, 29067771, 87203313, 261609939]

約数ペア:

[(1, 261609939), (3, 87203313), (9, 29067771), (27, 9689257), (2393, 109323), (4049, 64611), (7179, 36441), (12147, 21537)]