221761887

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{3617}}^1$

素因数の和:3918

約数の個数: 16

約数和(自身を含む): 300091392

約数和(自身を除く): 78329505

約数列:

[1, 3, 107, 191, 321, 573, 3617, 10851, 20437, 61311, 387019, 690847, 1161057, 2072541, 73920629, 221761887]

約数ペア:

[(1, 221761887), (3, 73920629), (107, 2072541), (191, 1161057), (321, 690847), (573, 387019), (3617, 61311), (10851, 20437)]