4021965

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 7032480

約数和(自身を除く): 3010515

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 643, 695, 1251, 1929, 2085, 3215, 5787, 6255, 9645, 28935, 89377, 268131, 446885, 804393, 1340655, 4021965]

約数ペア:

[(1, 4021965), (3, 1340655), (5, 804393), (9, 446885), (15, 268131), (45, 89377), (139, 28935), (417, 9645), (643, 6255), (695, 5787), (1251, 3215), (1929, 2085)]