153425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:65

約数の個数: 18

約数和(自身を含む): 212598

約数和(自身を除く): 59173

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 361, 425, 475, 1615, 1805, 6137, 8075, 9025, 30685, 153425]

約数ペア:

[(1, 153425), (5, 30685), (17, 9025), (19, 8075), (25, 6137), (85, 1805), (95, 1615), (323, 475), (361, 425)]