207826521

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{7229}}^1$

素因数の和:7313

約数の個数: 24

約数和(自身を含む): 325523520

約数和(自身を除く): 117696999

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 1369, 4107, 7229, 9583, 21687, 28749, 50603, 151809, 267473, 802419, 1872311, 5616933, 9896501, 29689503, 69275507, 207826521]

約数ペア:

[(1, 207826521), (3, 69275507), (7, 29689503), (21, 9896501), (37, 5616933), (111, 1872311), (259, 802419), (777, 267473), (1369, 151809), (4107, 50603), (7229, 28749), (9583, 21687)]