157212171

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{45137}}^1$

素因数の和:45192

約数の個数: 20

約数和(自身を含む): 240314712

約数和(自身を除く): 83102541

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 45137, 135411, 406233, 1218699, 1940891, 3656097, 5822673, 17468019, 52404057, 157212171]

約数ペア:

[(1, 157212171), (3, 52404057), (9, 17468019), (27, 5822673), (43, 3656097), (81, 1940891), (129, 1218699), (387, 406233), (1161, 135411), (3483, 45137)]