12512961

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{641}}^1$

素因数の和:894

約数の個数: 20

約数和(自身を含む): 18799044

約数和(自身を除く): 6286083

約数列:

[1, 3, 9, 27, 81, 241, 641, 723, 1923, 2169, 5769, 6507, 17307, 19521, 51921, 154481, 463443, 1390329, 4170987, 12512961]

約数ペア:

[(1, 12512961), (3, 4170987), (9, 1390329), (27, 463443), (81, 154481), (241, 51921), (641, 19521), (723, 17307), (1923, 6507), (2169, 5769)]