65117521

素因数分解:

$7^4\times {\mathrm{37}}^1\times {\mathrm{733}}^1$

素因数の和:798

約数の個数: 20

約数和(自身を含む): 78125492

約数和(自身を除く): 13007971

約数列:

[1, 7, 37, 49, 259, 343, 733, 1813, 2401, 5131, 12691, 27121, 35917, 88837, 189847, 251419, 1328929, 1759933, 9302503, 65117521]

約数ペア:

[(1, 65117521), (7, 9302503), (37, 1759933), (49, 1328929), (259, 251419), (343, 189847), (733, 88837), (1813, 35917), (2401, 27121), (5131, 12691)]