13666401

素因数分解:

$3^4\times 7^1\times {\mathrm{24103}}^1$

素因数の和:24122

約数の個数: 20

約数和(自身を含む): 23332672

約数和(自身を除く): 9666271

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 24103, 72309, 168721, 216927, 506163, 650781, 1518489, 1952343, 4555467, 13666401]

約数ペア:

[(1, 13666401), (3, 4555467), (7, 1952343), (9, 1518489), (21, 650781), (27, 506163), (63, 216927), (81, 168721), (189, 72309), (567, 24103)]