13505375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{8311}}^1$

素因数の和:8339

約数の個数: 16

約数和(自身を含む): 18153408

約数和(自身を除く): 4648033

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 8311, 41555, 108043, 207775, 540215, 1038875, 2701075, 13505375]

約数ペア:

[(1, 13505375), (5, 2701075), (13, 1038875), (25, 540215), (65, 207775), (125, 108043), (325, 41555), (1625, 8311)]