313640229

素因数分解:

$3^1\times 7^4\times {\mathrm{43543}}^1$

素因数の和:43574

約数の個数: 20

約数和(自身を含む): 487866976

約数和(自身を除く): 174226747

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 43543, 130629, 304801, 914403, 2133607, 6400821, 14935249, 44805747, 104546743, 313640229]

約数ペア:

[(1, 313640229), (3, 104546743), (7, 44805747), (21, 14935249), (49, 6400821), (147, 2133607), (343, 914403), (1029, 304801), (2401, 130629), (7203, 43543)]