12965475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{10169}}^1$

素因数の和:10199

約数の個数: 24

約数和(自身を含む): 22699440

約数和(自身を除く): 9733965

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 10169, 30507, 50845, 152535, 172873, 254225, 518619, 762675, 864365, 2593095, 4321825, 12965475]

約数ペア:

[(1, 12965475), (3, 4321825), (5, 2593095), (15, 864365), (17, 762675), (25, 518619), (51, 254225), (75, 172873), (85, 152535), (255, 50845), (425, 30507), (1275, 10169)]