15521525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 20236800

約数和(自身を除く): 4715275

約数列:

[1, 5, 25, 29, 79, 145, 271, 395, 725, 1355, 1975, 2291, 6775, 7859, 11455, 21409, 39295, 57275, 107045, 196475, 535225, 620861, 3104305, 15521525]

約数ペア:

[(1, 15521525), (5, 3104305), (25, 620861), (29, 535225), (79, 196475), (145, 107045), (271, 57275), (395, 39295), (725, 21409), (1355, 11455), (1975, 7859), (2291, 6775)]