81616507

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{13997}}^1$

素因数の和:14035

約数の個数: 16

約数和(自身を含む): 100785600

約数和(自身を除く): 19169093

約数列:

[1, 7, 17, 49, 119, 343, 833, 5831, 13997, 97979, 237949, 685853, 1665643, 4800971, 11659501, 81616507]

約数ペア:

[(1, 81616507), (7, 11659501), (17, 4800971), (49, 1665643), (119, 685853), (343, 237949), (833, 97979), (5831, 13997)]