13897525

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{661}}^1$

素因数の和:729

約数の個数: 18

約数和(自身を含む): 17874662

約数和(自身を除く): 3977137

約数列:

[1, 5, 25, 29, 145, 661, 725, 841, 3305, 4205, 16525, 19169, 21025, 95845, 479225, 555901, 2779505, 13897525]

約数ペア:

[(1, 13897525), (5, 2779505), (25, 555901), (29, 479225), (145, 95845), (661, 21025), (725, 19169), (841, 16525), (3305, 4205)]