318285

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 602784

約数和(自身を除く): 284499

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 643, 1929, 3215, 5787, 7073, 9645, 21219, 28935, 35365, 63657, 106095, 318285]

約数ペア:

[(1, 318285), (3, 106095), (5, 63657), (9, 35365), (11, 28935), (15, 21219), (33, 9645), (45, 7073), (55, 5787), (99, 3215), (165, 1929), (495, 643)]