28475139

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{123269}}^1$

素因数の和:123290

約数の個数: 16

約数和(自身を含む): 47335680

約数和(自身を除く): 18860541

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 123269, 369807, 862883, 1355959, 2588649, 4067877, 9491713, 28475139]

約数ペア:

[(1, 28475139), (3, 9491713), (7, 4067877), (11, 2588649), (21, 1355959), (33, 862883), (77, 369807), (231, 123269)]