81261717

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{17903}}^1$

素因数の和:18012

約数の個数: 16

約数和(自身を含む): 116017920

約数和(自身を除く): 34756203

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 17903, 53709, 304351, 913053, 1593367, 4780101, 27087239, 81261717]

約数ペア:

[(1, 81261717), (3, 27087239), (17, 4780101), (51, 1593367), (89, 913053), (267, 304351), (1513, 53709), (4539, 17903)]