291209031

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{13693}}^1$

素因数の和:13855

約数の個数: 24

約数和(自身を含む): 448615440

約数和(自身を除く): 157406409

約数列:

[1, 3, 9, 17, 51, 139, 153, 417, 1251, 2363, 7089, 13693, 21267, 41079, 123237, 232781, 698343, 1903327, 2095029, 5709981, 17129943, 32356559, 97069677, 291209031]

約数ペア:

[(1, 291209031), (3, 97069677), (9, 32356559), (17, 17129943), (51, 5709981), (139, 2095029), (153, 1903327), (417, 698343), (1251, 232781), (2363, 123237), (7089, 41079), (13693, 21267)]