22162005

素因数分解:

$3^4\times 5^1\times {\mathrm{54721}}^1$

素因数の和:54738

約数の個数: 20

約数和(自身を含む): 39728172

約数和(自身を除く): 17566167

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 54721, 164163, 273605, 492489, 820815, 1477467, 2462445, 4432401, 7387335, 22162005]

約数ペア:

[(1, 22162005), (3, 7387335), (5, 4432401), (9, 2462445), (15, 1477467), (27, 820815), (45, 492489), (81, 273605), (135, 164163), (405, 54721)]