251285679

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{5279}}^1$

素因数の和:5372

約数の個数: 32

約数和(自身を含む): 390297600

約数和(自身を除く): 139011921

約数列:

[1, 3, 9, 27, 41, 43, 123, 129, 369, 387, 1107, 1161, 1763, 5279, 5289, 15837, 15867, 47511, 47601, 142533, 216439, 226997, 649317, 680991, 1947951, 2042973, 5843853, 6128919, 9306877, 27920631, 83761893, 251285679]

約数ペア:

[(1, 251285679), (3, 83761893), (9, 27920631), (27, 9306877), (41, 6128919), (43, 5843853), (123, 2042973), (129, 1947951), (369, 680991), (387, 649317), (1107, 226997), (1161, 216439), (1763, 142533), (5279, 47601), (5289, 47511), (15837, 15867)]