28936485

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20743}}^1$

素因数の和:20785

約数の個数: 24

約数和(自身を含む): 51777024

約数和(自身を除く): 22840539

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 20743, 62229, 103715, 186687, 311145, 643033, 933435, 1929099, 3215165, 5787297, 9645495, 28936485]

約数ペア:

[(1, 28936485), (3, 9645495), (5, 5787297), (9, 3215165), (15, 1929099), (31, 933435), (45, 643033), (93, 311145), (155, 186687), (279, 103715), (465, 62229), (1395, 20743)]