28152267

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 16361013

約数列:

[1, 3, 11, 13, 33, 39, 137, 143, 411, 429, 479, 1437, 1507, 1781, 4521, 5269, 5343, 6227, 15807, 18681, 19591, 58773, 65623, 68497, 196869, 205491, 721853, 853099, 2165559, 2559297, 9384089, 28152267]

約数ペア:

[(1, 28152267), (3, 9384089), (11, 2559297), (13, 2165559), (33, 853099), (39, 721853), (137, 205491), (143, 196869), (411, 68497), (429, 65623), (479, 58773), (1437, 19591), (1507, 18681), (1781, 15807), (4521, 6227), (5269, 5343)]