2489877

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1637}}^1$

素因数の和:1669

約数の個数: 18

約数和(自身を含む): 3896802

約数和(自身を除く): 1406925

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 1637, 4911, 14733, 21281, 63843, 191529, 276653, 829959, 2489877]

約数ペア:

[(1, 2489877), (3, 829959), (9, 276653), (13, 191529), (39, 63843), (117, 21281), (169, 14733), (507, 4911), (1521, 1637)]