2177955969

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{871531}}^1$

素因数の和:871565

約数の個数: 24

約数和(自身を含む): 3576767328

約数和(自身を除く): 1398811359

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 871531, 2614593, 6100717, 14816027, 18302151, 42705019, 44448081, 103712189, 128115057, 311136567, 725985323, 2177955969]

約数ペア:

[(1, 2177955969), (3, 725985323), (7, 311136567), (17, 128115057), (21, 103712189), (49, 44448081), (51, 42705019), (119, 18302151), (147, 14816027), (357, 6100717), (833, 2614593), (2499, 871531)]