12855345

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20903}}^1$

素因数の和:20952

約数の個数: 16

約数和(自身を含む): 21071232

約数和(自身を除く): 8215887

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 20903, 62709, 104515, 313545, 857023, 2571069, 4285115, 12855345]

約数ペア:

[(1, 12855345), (3, 4285115), (5, 2571069), (15, 857023), (41, 313545), (123, 104515), (205, 62709), (615, 20903)]