1640254311

素因数分解:

$3^2\times {\mathrm{193}}^1\times {\mathrm{421}}^1\times {\mathrm{2243}}^1$

素因数の和:2863

約数の個数: 24

約数和(自身を含む): 2388253296

約数和(自身を除く): 747998985

約数列:

[1, 3, 9, 193, 421, 579, 1263, 1737, 2243, 3789, 6729, 20187, 81253, 243759, 432899, 731277, 944303, 1298697, 2832909, 3896091, 8498727, 182250479, 546751437, 1640254311]

約数ペア:

[(1, 1640254311), (3, 546751437), (9, 182250479), (193, 8498727), (421, 3896091), (579, 2832909), (1263, 1298697), (1737, 944303), (2243, 731277), (3789, 432899), (6729, 243759), (20187, 81253)]