17980605

素因数分解:

$3^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{863}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 31269888

約数和(自身を除く): 13289283

約数列:

[1, 3, 5, 9, 15, 45, 463, 863, 1389, 2315, 2589, 4167, 4315, 6945, 7767, 12945, 20835, 38835, 399569, 1198707, 1997845, 3596121, 5993535, 17980605]

約数ペア:

[(1, 17980605), (3, 5993535), (5, 3596121), (9, 1997845), (15, 1198707), (45, 399569), (463, 38835), (863, 20835), (1389, 12945), (2315, 7767), (2589, 6945), (4167, 4315)]