31480209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3373}}^1$

素因数の和:3457

約数の個数: 24

約数和(自身を含む): 48949992

約数和(自身を除く): 17469783

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 3111, 3373, 9333, 10119, 30357, 57341, 172023, 205753, 516069, 617259, 1851777, 3497801, 10493403, 31480209]

約数ペア:

[(1, 31480209), (3, 10493403), (9, 3497801), (17, 1851777), (51, 617259), (61, 516069), (153, 205753), (183, 172023), (549, 57341), (1037, 30357), (3111, 10119), (3373, 9333)]