521475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 915120

約数和(自身を除く): 393645

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 409, 425, 1227, 1275, 2045, 6135, 6953, 10225, 20859, 30675, 34765, 104295, 173825, 521475]

約数ペア:

[(1, 521475), (3, 173825), (5, 104295), (15, 34765), (17, 30675), (25, 20859), (51, 10225), (75, 6953), (85, 6135), (255, 2045), (409, 1275), (425, 1227)]