12903605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18047}}^1$

素因数の和:18076

約数の個数: 16

約数和(自身を含む): 18192384

約数和(自身を除く): 5288779

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 18047, 90235, 198517, 234611, 992585, 1173055, 2580721, 12903605]

約数ペア:

[(1, 12903605), (5, 2580721), (11, 1173055), (13, 992585), (55, 234611), (65, 198517), (143, 90235), (715, 18047)]