28380159

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{827}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 16133121

約数列:

[1, 3, 9, 27, 31, 41, 93, 123, 279, 369, 827, 837, 1107, 1271, 2481, 3813, 7443, 11439, 22329, 25637, 33907, 34317, 76911, 101721, 230733, 305163, 692199, 915489, 1051117, 3153351, 9460053, 28380159]

約数ペア:

[(1, 28380159), (3, 9460053), (9, 3153351), (27, 1051117), (31, 915489), (41, 692199), (93, 305163), (123, 230733), (279, 101721), (369, 76911), (827, 34317), (837, 33907), (1107, 25637), (1271, 22329), (2481, 11439), (3813, 7443)]