409968207

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{376463}}^1$

素因数の和:376491

約数の個数: 18

約数和(自身を含む): 650906256

約数和(自身を除く): 240938049

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 376463, 1129389, 3388167, 4141093, 12423279, 37269837, 45552023, 136656069, 409968207]

約数ペア:

[(1, 409968207), (3, 136656069), (9, 45552023), (11, 37269837), (33, 12423279), (99, 4141093), (121, 3388167), (363, 1129389), (1089, 376463)]