27988281

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 43021440

約数和(自身を除く): 15033159

約数列:

[1, 3, 9, 27, 41, 123, 131, 193, 369, 393, 579, 1107, 1179, 1737, 3537, 5211, 5371, 7913, 16113, 23739, 25283, 48339, 71217, 75849, 145017, 213651, 227547, 682641, 1036603, 3109809, 9329427, 27988281]

約数ペア:

[(1, 27988281), (3, 9329427), (9, 3109809), (27, 1036603), (41, 682641), (123, 227547), (131, 213651), (193, 145017), (369, 75849), (393, 71217), (579, 48339), (1107, 25283), (1179, 23739), (1737, 16113), (3537, 7913), (5211, 5371)]