28918239

素因数分解:

$3^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{2633}}^1$

素因数の和:3166

約数の個数: 16

約数和(自身を含む): 44166912

約数和(自身を除く): 15248673

約数列:

[1, 3, 7, 21, 523, 1569, 2633, 3661, 7899, 10983, 18431, 55293, 1377059, 4131177, 9639413, 28918239]

約数ペア:

[(1, 28918239), (3, 9639413), (7, 4131177), (21, 1377059), (523, 55293), (1569, 18431), (2633, 10983), (3661, 7899)]