15555425

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{2153}}^1$

素因数の和:2197

約数の個数: 18

約数和(自身を含む): 20499618

約数和(自身を除く): 4944193

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 2153, 7225, 10765, 36601, 53825, 183005, 622217, 915025, 3111085, 15555425]

約数ペア:

[(1, 15555425), (5, 3111085), (17, 915025), (25, 622217), (85, 183005), (289, 53825), (425, 36601), (1445, 10765), (2153, 7225)]