28668891

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4451}}^1$

素因数の和:4586

約数の個数: 16

約数和(自身を含む): 40602240

約数和(自身を除く): 11933349

約数列:

[1, 3, 19, 57, 113, 339, 2147, 4451, 6441, 13353, 84569, 253707, 502963, 1508889, 9556297, 28668891]

約数ペア:

[(1, 28668891), (3, 9556297), (19, 1508889), (57, 502963), (113, 253707), (339, 84569), (2147, 13353), (4451, 6441)]