28595721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{123791}}^1$

素因数の和:123812

約数の個数: 16

約数和(自身を含む): 47536128

約数和(自身を除く): 18940407

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 123791, 371373, 866537, 1361701, 2599611, 4085103, 9531907, 28595721]

約数ペア:

[(1, 28595721), (3, 9531907), (7, 4085103), (11, 2599611), (21, 1361701), (33, 866537), (77, 371373), (231, 123791)]