81667965

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2389}}^1$

素因数の和:2493

約数の個数: 32

約数和(自身を含む): 136287360

約数和(自身を除く): 54619395

約数列:

[1, 3, 5, 15, 43, 53, 129, 159, 215, 265, 645, 795, 2279, 2389, 6837, 7167, 11395, 11945, 34185, 35835, 102727, 126617, 308181, 379851, 513635, 633085, 1540905, 1899255, 5444531, 16333593, 27222655, 81667965]

約数ペア:

[(1, 81667965), (3, 27222655), (5, 16333593), (15, 5444531), (43, 1899255), (53, 1540905), (129, 633085), (159, 513635), (215, 379851), (265, 308181), (645, 126617), (795, 102727), (2279, 35835), (2389, 34185), (6837, 11945), (7167, 11395)]