81329717

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{23567}}^1$

素因数の和:23620

約数の個数: 16

約数和(自身を含む): 101813760

約数和(自身を除く): 20484043

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 23567, 164969, 400639, 683443, 2804473, 4784101, 11618531, 81329717]

約数ペア:

[(1, 81329717), (7, 11618531), (17, 4784101), (29, 2804473), (119, 683443), (203, 400639), (493, 164969), (3451, 23567)]