215131657

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{7817}}^1$

素因数の和:7932

約数の個数: 16

約数和(自身を含む): 242983440

約数和(自身を除く): 27851783

約数列:

[1, 13, 29, 73, 377, 949, 2117, 7817, 27521, 101621, 226693, 570641, 2947009, 7418333, 16548589, 215131657]

約数ペア:

[(1, 215131657), (13, 16548589), (29, 7418333), (73, 2947009), (377, 570641), (949, 226693), (2117, 101621), (7817, 27521)]