17990439

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2053}}^1$

素因数の和:2206

約数の個数: 16

約数和(自身を含む): 25239552

約数和(自身を除く): 7249113

約数列:

[1, 3, 23, 69, 127, 381, 2053, 2921, 6159, 8763, 47219, 141657, 260731, 782193, 5996813, 17990439]

約数ペア:

[(1, 17990439), (3, 5996813), (23, 782193), (69, 260731), (127, 141657), (381, 47219), (2053, 8763), (2921, 6159)]