215140031

素因数分解:

${\mathrm{31}}^2\times {\mathrm{211}}^1\times {\mathrm{1061}}^1$

素因数の和:1334

約数の個数: 12

約数和(自身を含む): 223567992

約数和(自身を除く): 8427961

約数列:

[1, 31, 211, 961, 1061, 6541, 32891, 202771, 223871, 1019621, 6940001, 215140031]

約数ペア:

[(1, 215140031), (31, 6940001), (211, 1019621), (961, 223871), (1061, 202771), (6541, 32891)]