291240207

素因数分解:

$3^2\times {\mathrm{1621}}^1\times {\mathrm{19963}}^1$

素因数の和:21590

約数の個数: 12

約数和(自身を含む): 420960904

約数和(自身を除く): 129720697

約数列:

[1, 3, 9, 1621, 4863, 14589, 19963, 59889, 179667, 32360023, 97080069, 291240207]

約数ペア:

[(1, 291240207), (3, 97080069), (9, 32360023), (1621, 179667), (4863, 59889), (14589, 19963)]