31880331

素因数分解:

$3^3\times 7^2\times {\mathrm{24097}}^1$

素因数の和:24120

約数の個数: 24

約数和(自身を含む): 54943440

約数和(自身を除く): 23063109

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 24097, 72291, 168679, 216873, 506037, 650619, 1180753, 1518111, 3542259, 4554333, 10626777, 31880331]

約数ペア:

[(1, 31880331), (3, 10626777), (7, 4554333), (9, 3542259), (21, 1518111), (27, 1180753), (49, 650619), (63, 506037), (147, 216873), (189, 168679), (441, 72291), (1323, 24097)]