291270213

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{12637}}^1$

素因数の和:12853

約数の個数: 24

約数和(自身を含む): 455422968

約数和(自身を除く): 164152755

約数列:

[1, 3, 9, 13, 39, 117, 197, 591, 1773, 2561, 7683, 12637, 23049, 37911, 113733, 164281, 492843, 1478529, 2489489, 7468467, 22405401, 32363357, 97090071, 291270213]

約数ペア:

[(1, 291270213), (3, 97090071), (9, 32363357), (13, 22405401), (39, 7468467), (117, 2489489), (197, 1478529), (591, 492843), (1773, 164281), (2561, 113733), (7683, 37911), (12637, 23049)]