2000781909

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1671497}}^1$

素因数の和:1671529

約数の個数: 24

約数和(自身を含む): 3476715840

約数和(自身を除く): 1475933931

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1671497, 5014491, 11700479, 15043473, 31758443, 35101437, 95275329, 105304311, 222309101, 285825987, 666927303, 2000781909]

約数ペア:

[(1, 2000781909), (3, 666927303), (7, 285825987), (9, 222309101), (19, 105304311), (21, 95275329), (57, 35101437), (63, 31758443), (133, 15043473), (171, 11700479), (399, 5014491), (1197, 1671497)]