991291017

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 1366738560

約数和(自身を除く): 375447543

約数列:

[1, 3, 73, 109, 131, 219, 317, 327, 393, 951, 7957, 9563, 14279, 23141, 23871, 28689, 34553, 41527, 42837, 69423, 103659, 124581, 1042367, 2522369, 3031471, 3127101, 4526443, 7567107, 9094413, 13579329, 330430339, 991291017]

約数ペア:

[(1, 991291017), (3, 330430339), (73, 13579329), (109, 9094413), (131, 7567107), (219, 4526443), (317, 3127101), (327, 3031471), (393, 2522369), (951, 1042367), (7957, 124581), (9563, 103659), (14279, 69423), (23141, 42837), (23871, 41527), (28689, 34553)]