388639041

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{64483}}^1$

素因数の和:64541

約数の個数: 24

約数和(自身を含む): 617498784

約数和(自身を除く): 228859743

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 64483, 193449, 451381, 1354143, 2643803, 3159667, 7931409, 9479001, 18506621, 55519863, 129546347, 388639041]

約数ペア:

[(1, 388639041), (3, 129546347), (7, 55519863), (21, 18506621), (41, 9479001), (49, 7931409), (123, 3159667), (147, 2643803), (287, 1354143), (861, 451381), (2009, 193449), (6027, 64483)]