1381425

素因数分解:

$3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 2318304

約数和(自身を除く): 936879

約数列:

[1, 3, 5, 15, 25, 75, 113, 163, 339, 489, 565, 815, 1695, 2445, 2825, 4075, 8475, 12225, 18419, 55257, 92095, 276285, 460475, 1381425]

約数ペア:

[(1, 1381425), (3, 460475), (5, 276285), (15, 92095), (25, 55257), (75, 18419), (113, 12225), (163, 8475), (339, 4075), (489, 2825), (565, 2445), (815, 1695)]