81228217

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{3671}}^1$

素因数の和:3816

約数の個数: 16

約数和(自身を含む): 96940800

約数和(自身を除く): 15712583

約数列:

[1, 7, 29, 109, 203, 763, 3161, 3671, 22127, 25697, 106459, 400139, 745213, 2800973, 11604031, 81228217]

約数ペア:

[(1, 81228217), (7, 11604031), (29, 2800973), (109, 745213), (203, 400139), (763, 106459), (3161, 25697), (3671, 22127)]