15999505

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 19828224

約数和(自身を除く): 3828719

約数列:

[1, 5, 47, 103, 235, 515, 661, 3305, 4841, 24205, 31067, 68083, 155335, 340415, 3199901, 15999505]

約数ペア:

[(1, 15999505), (5, 3199901), (47, 340415), (103, 155335), (235, 68083), (515, 31067), (661, 24205), (3305, 4841)]