291249261

素因数分解:

$3^2\times {\mathrm{1571}}^1\times {\mathrm{20599}}^1$

素因数の和:22176

約数の個数: 12

約数和(自身を含む): 420981600

約数和(自身を除く): 129732339

約数列:

[1, 3, 9, 1571, 4713, 14139, 20599, 61797, 185391, 32361029, 97083087, 291249261]

約数ペア:

[(1, 291249261), (3, 97083087), (9, 32361029), (1571, 185391), (4713, 61797), (14139, 20599)]