12181635

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{643}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 21197904

約数和(自身を除く): 9016269

約数列:

[1, 3, 5, 9, 15, 45, 421, 643, 1263, 1929, 2105, 3215, 3789, 5787, 6315, 9645, 18945, 28935, 270703, 812109, 1353515, 2436327, 4060545, 12181635]

約数ペア:

[(1, 12181635), (3, 4060545), (5, 2436327), (9, 1353515), (15, 812109), (45, 270703), (421, 28935), (643, 18945), (1263, 9645), (1929, 6315), (2105, 5787), (3215, 3789)]