31394349

素因数分解:

$3^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 53147484

約数和(自身を除く): 21753135

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 257, 277, 441, 771, 831, 1799, 1939, 2313, 2493, 5397, 5817, 12593, 13573, 16191, 17451, 37779, 40719, 71189, 113337, 122157, 213567, 498323, 640701, 1494969, 3488261, 4484907, 10464783, 31394349]

約数ペア:

[(1, 31394349), (3, 10464783), (7, 4484907), (9, 3488261), (21, 1494969), (49, 640701), (63, 498323), (147, 213567), (257, 122157), (277, 113337), (441, 71189), (771, 40719), (831, 37779), (1799, 17451), (1939, 16191), (2313, 13573), (2493, 12593), (5397, 5817)]