2921247

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 4885920

約数和(自身を除く): 1964673

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 521, 623, 801, 1563, 1869, 3647, 4689, 5607, 10941, 32823, 46369, 139107, 324583, 417321, 973749, 2921247]

約数ペア:

[(1, 2921247), (3, 973749), (7, 417321), (9, 324583), (21, 139107), (63, 46369), (89, 32823), (267, 10941), (521, 5607), (623, 4689), (801, 3647), (1563, 1869)]