13957015

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 17349696

約数和(自身を除く): 3392681

約数列:

[1, 5, 41, 103, 205, 515, 661, 3305, 4223, 21115, 27101, 68083, 135505, 340415, 2791403, 13957015]

約数ペア:

[(1, 13957015), (5, 2791403), (41, 340415), (103, 135505), (205, 68083), (515, 27101), (661, 21115), (3305, 4223)]