81521579

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{523}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 88623072

約数和(自身を除く): 7101493

約数列:

[1, 17, 53, 173, 523, 901, 2941, 8891, 9169, 27719, 90479, 155873, 471223, 1538143, 4795387, 81521579]

約数ペア:

[(1, 81521579), (17, 4795387), (53, 1538143), (173, 471223), (523, 155873), (901, 90479), (2941, 27719), (8891, 9169)]