28285239

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5189}}^1$

素因数の和:5294

約数の個数: 16

約数和(自身を含む): 39859200

約数和(自身を除く): 11573961

約数列:

[1, 3, 23, 69, 79, 237, 1817, 5189, 5451, 15567, 119347, 358041, 409931, 1229793, 9428413, 28285239]

約数ペア:

[(1, 28285239), (3, 9428413), (23, 1229793), (69, 409931), (79, 358041), (237, 119347), (1817, 15567), (5189, 5451)]