13721465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1612

約数の個数: 16

約数和(自身を含む): 17606160

約数和(自身を除く): 3884695

約数列:

[1, 5, 17, 85, 109, 545, 1481, 1853, 7405, 9265, 25177, 125885, 161429, 807145, 2744293, 13721465]

約数ペア:

[(1, 13721465), (5, 2744293), (17, 807145), (85, 161429), (109, 125885), (545, 25177), (1481, 9265), (1853, 7405)]