291213918981

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{136527857}}^1$

素因数の和:136527945

約数の個数: 16

約数和(自身を含む): 436889145600

約数和(自身を除く): 145675226619

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 136527857, 409583571, 1228750713, 3686252139, 10785700703, 32357102109, 97071306327, 291213918981]

約数ペア:

[(1, 291213918981), (3, 97071306327), (9, 32357102109), (27, 10785700703), (79, 3686252139), (237, 1228750713), (711, 409583571), (2133, 136527857)]