213882615

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{10729}}^1$

素因数の和:11183

約数の個数: 24

約数和(自身を含む): 371601360

約数和(自身を除く): 157718745

約数列:

[1, 3, 5, 9, 15, 45, 443, 1329, 2215, 3987, 6645, 10729, 19935, 32187, 53645, 96561, 160935, 482805, 4752947, 14258841, 23764735, 42776523, 71294205, 213882615]

約数ペア:

[(1, 213882615), (3, 71294205), (5, 42776523), (9, 23764735), (15, 14258841), (45, 4752947), (443, 482805), (1329, 160935), (2215, 96561), (3987, 53645), (6645, 32187), (10729, 19935)]