39942915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61927}}^1$

素因数の和:61978

約数の個数: 16

約数和(自身を含む): 65395968

約数和(自身を除く): 25453053

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 61927, 185781, 309635, 928905, 2662861, 7988583, 13314305, 39942915]

約数ペア:

[(1, 39942915), (3, 13314305), (5, 7988583), (15, 2662861), (43, 928905), (129, 309635), (215, 185781), (645, 61927)]