491762997

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23767}}^1$

素因数の和:23814

約数の個数: 36

約数和(自身を含む): 821897440

約数和(自身を除く): 330134443

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 363, 627, 1089, 1881, 2299, 6897, 20691, 23767, 71301, 213903, 261437, 451573, 784311, 1354719, 2352933, 2875807, 4064157, 4967303, 8627421, 14901909, 25882263, 44705727, 54640333, 163920999, 491762997]

約数ペア:

[(1, 491762997), (3, 163920999), (9, 54640333), (11, 44705727), (19, 25882263), (33, 14901909), (57, 8627421), (99, 4967303), (121, 4064157), (171, 2875807), (209, 2352933), (363, 1354719), (627, 784311), (1089, 451573), (1881, 261437), (2299, 213903), (6897, 71301), (20691, 23767)]