643953321

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{701}}^1\times {\mathrm{1031}}^1$

素因数の和:1755

約数の個数: 40

約数和(自身を含む): 1051921728

約数和(自身を除く): 407968407

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 701, 891, 1031, 2103, 3093, 6309, 7711, 9279, 11341, 18927, 23133, 27837, 34023, 56781, 69399, 83511, 102069, 208197, 306207, 624591, 722731, 918621, 2168193, 6504579, 7950041, 19513737, 23850123, 58541211, 71550369, 214651107, 643953321]

約数ペア:

[(1, 643953321), (3, 214651107), (9, 71550369), (11, 58541211), (27, 23850123), (33, 19513737), (81, 7950041), (99, 6504579), (297, 2168193), (701, 918621), (891, 722731), (1031, 624591), (2103, 306207), (3093, 208197), (6309, 102069), (7711, 83511), (9279, 69399), (11341, 56781), (18927, 34023), (23133, 27837)]