16530725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{151}}^2$

素因数の和:341

約数の個数: 18

約数和(自身を含む): 21346290

約数和(自身を除く): 4815565

約数列:

[1, 5, 25, 29, 145, 151, 725, 755, 3775, 4379, 21895, 22801, 109475, 114005, 570025, 661229, 3306145, 16530725]

約数ペア:

[(1, 16530725), (5, 3306145), (25, 661229), (29, 570025), (145, 114005), (151, 109475), (725, 22801), (755, 21895), (3775, 4379)]