6620225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 8948088

約数和(自身を除く): 2327863

約数列:

[1, 5, 17, 25, 37, 85, 185, 421, 425, 629, 925, 2105, 3145, 7157, 10525, 15577, 15725, 35785, 77885, 178925, 264809, 389425, 1324045, 6620225]

約数ペア:

[(1, 6620225), (5, 1324045), (17, 389425), (25, 264809), (37, 178925), (85, 77885), (185, 35785), (421, 15725), (425, 15577), (629, 10525), (925, 7157), (2105, 3145)]