15717915

素因数分解:

$3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{673}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 28146240

約数和(自身を除く): 12428325

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 173, 519, 673, 865, 1557, 2019, 2595, 3365, 4671, 6057, 7785, 10095, 18171, 23355, 30285, 90855, 116429, 349287, 582145, 1047861, 1746435, 3143583, 5239305, 15717915]

約数ペア:

[(1, 15717915), (3, 5239305), (5, 3143583), (9, 1746435), (15, 1047861), (27, 582145), (45, 349287), (135, 116429), (173, 90855), (519, 30285), (673, 23355), (865, 18171), (1557, 10095), (2019, 7785), (2595, 6057), (3365, 4671)]