12818205

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{643}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 22303008

約数和(自身を除く): 9484803

約数列:

[1, 3, 5, 9, 15, 45, 443, 643, 1329, 1929, 2215, 3215, 3987, 5787, 6645, 9645, 19935, 28935, 284849, 854547, 1424245, 2563641, 4272735, 12818205]

約数ペア:

[(1, 12818205), (3, 4272735), (5, 2563641), (9, 1424245), (15, 854547), (45, 284849), (443, 28935), (643, 19935), (1329, 9645), (1929, 6645), (2215, 5787), (3215, 3987)]