12561405

素因数分解:

$3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4339}}^1$

素因数の和:4540

約数の個数: 16

約数和(自身を含む): 20207040

約数和(自身を除く): 7645635

約数列:

[1, 3, 5, 15, 193, 579, 965, 2895, 4339, 13017, 21695, 65085, 837427, 2512281, 4187135, 12561405]

約数ペア:

[(1, 12561405), (3, 4187135), (5, 2512281), (15, 837427), (193, 65085), (579, 21695), (965, 13017), (2895, 4339)]