15807195

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20663}}^1$

素因数の和:20691

約数の個数: 24

約数和(自身を含む): 29012256

約数和(自身を除く): 13205061

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20663, 61989, 103315, 185967, 309945, 351271, 929835, 1053813, 1756355, 3161439, 5269065, 15807195]

約数ペア:

[(1, 15807195), (3, 5269065), (5, 3161439), (9, 1756355), (15, 1053813), (17, 929835), (45, 351271), (51, 309945), (85, 185967), (153, 103315), (255, 61989), (765, 20663)]