409293

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 20

約数和(自身を含む): 635008

約数和(自身を除く): 225715

約数列:

[1, 3, 9, 27, 31, 81, 93, 163, 279, 489, 837, 1467, 2511, 4401, 5053, 13203, 15159, 45477, 136431, 409293]

約数ペア:

[(1, 409293), (3, 136431), (9, 45477), (27, 15159), (31, 13203), (81, 5053), (93, 4401), (163, 2511), (279, 1467), (489, 837)]