12912225

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1609}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 21561120

約数和(自身を除く): 8648895

約数列:

[1, 3, 5, 15, 25, 75, 107, 321, 535, 1605, 1609, 2675, 4827, 8025, 8045, 24135, 40225, 120675, 172163, 516489, 860815, 2582445, 4304075, 12912225]

約数ペア:

[(1, 12912225), (3, 4304075), (5, 2582445), (15, 860815), (25, 516489), (75, 172163), (107, 120675), (321, 40225), (535, 24135), (1605, 8045), (1609, 8025), (2675, 4827)]