19791297

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{1499}}^1$

素因数の和:1674

約数の個数: 20

約数和(自身を含む): 29766000

約数和(自身を除く): 9974703

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 1499, 4401, 4497, 13203, 13491, 40473, 121419, 244337, 733011, 2199033, 6597099, 19791297]

約数ペア:

[(1, 19791297), (3, 6597099), (9, 2199033), (27, 733011), (81, 244337), (163, 121419), (489, 40473), (1467, 13491), (1499, 13203), (4401, 4497)]