207640827

素因数分解:

$3^5\times {\mathrm{89}}^1\times {\mathrm{9601}}^1$

素因数の和:9705

約数の個数: 24

約数和(自身を含む): 314561520

約数和(自身を除く): 106920693

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 801, 2403, 7209, 9601, 21627, 28803, 86409, 259227, 777681, 854489, 2333043, 2563467, 7690401, 23071203, 69213609, 207640827]

約数ペア:

[(1, 207640827), (3, 69213609), (9, 23071203), (27, 7690401), (81, 2563467), (89, 2333043), (243, 854489), (267, 777681), (801, 259227), (2403, 86409), (7209, 28803), (9601, 21627)]