213030961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{87631}}^1$

素因数の和:87672

約数の個数: 16

約数和(自身を含む): 264999168

約数和(自身を除く): 51968207

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 87631, 963941, 1139203, 1489727, 12531233, 16386997, 19366451, 213030961]

約数ペア:

[(1, 213030961), (11, 19366451), (13, 16386997), (17, 12531233), (143, 1489727), (187, 1139203), (221, 963941), (2431, 87631)]