13257315

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{12809}}^1$

素因数の和:12843

約数の個数: 24

約数和(自身を含む): 23980320

約数和(自身を除く): 10723005

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 12809, 38427, 64045, 115281, 192135, 294607, 576405, 883821, 1473035, 2651463, 4419105, 13257315]

約数ペア:

[(1, 13257315), (3, 4419105), (5, 2651463), (9, 1473035), (15, 883821), (23, 576405), (45, 294607), (69, 192135), (115, 115281), (207, 64045), (345, 38427), (1035, 12809)]