28281951

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{607}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 42491904

約数和(自身を除く): 14209953

約数列:

[1, 3, 9, 31, 93, 167, 279, 501, 607, 1503, 1821, 5177, 5463, 15531, 18817, 46593, 56451, 101369, 169353, 304107, 912321, 3142439, 9427317, 28281951]

約数ペア:

[(1, 28281951), (3, 9427317), (9, 3142439), (31, 912321), (93, 304107), (167, 169353), (279, 101369), (501, 56451), (607, 46593), (1503, 18817), (1821, 15531), (5177, 5463)]