209133075

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{17107}}^1$

素因数の和:17283

約数の個数: 24

約数和(自身を含む): 347908288

約数和(自身を除く): 138775213

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 2445, 4075, 12225, 17107, 51321, 85535, 256605, 427675, 1283025, 2788441, 8365323, 13942205, 41826615, 69711025, 209133075]

約数ペア:

[(1, 209133075), (3, 69711025), (5, 41826615), (15, 13942205), (25, 8365323), (75, 2788441), (163, 1283025), (489, 427675), (815, 256605), (2445, 85535), (4075, 51321), (12225, 17107)]