81828313

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{677}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 96850944

約数和(自身を除く): 15022631

約数列:

[1, 7, 31, 217, 557, 677, 3899, 4739, 17267, 20987, 120869, 146909, 377089, 2639623, 11689759, 81828313]

約数ペア:

[(1, 81828313), (7, 11689759), (31, 2639623), (217, 377089), (557, 146909), (677, 120869), (3899, 20987), (4739, 17267)]