403977213

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{160883}}^1$

素因数の和:160926

約数の個数: 20

約数和(自身を含む): 622942848

約数和(自身を除く): 218965635

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 160883, 482649, 1447947, 4343841, 4987373, 13031523, 14962119, 44886357, 134659071, 403977213]

約数ペア:

[(1, 403977213), (3, 134659071), (9, 44886357), (27, 14962119), (31, 13031523), (81, 4987373), (93, 4343841), (279, 1447947), (837, 482649), (2511, 160883)]