159257907

素因数分解:

$3^4\times {\mathrm{823}}^1\times {\mathrm{2389}}^1$

素因数の和:3224

約数の個数: 20

約数和(自身を含む): 238292560

約数和(自身を除く): 79034653

約数列:

[1, 3, 9, 27, 81, 823, 2389, 2469, 7167, 7407, 21501, 22221, 64503, 66663, 193509, 1966147, 5898441, 17695323, 53085969, 159257907]

約数ペア:

[(1, 159257907), (3, 53085969), (9, 17695323), (27, 5898441), (81, 1966147), (823, 193509), (2389, 66663), (2469, 64503), (7167, 22221), (7407, 21501)]