217633129

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{1999}}^1$

素因数の和:2260

約数の個数: 16

約数和(自身を含む): 252928000

約数和(自身を除く): 35294871

約数列:

[1, 7, 103, 151, 721, 1057, 1999, 13993, 15553, 108871, 205897, 301849, 1441279, 2112943, 31090447, 217633129]

約数ペア:

[(1, 217633129), (7, 31090447), (103, 2112943), (151, 1441279), (721, 301849), (1057, 205897), (1999, 108871), (13993, 15553)]