15984003

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 25772032

約数和(自身を除く): 9788029

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 571, 651, 903, 1333, 1713, 3997, 3999, 9331, 11991, 17701, 24553, 27993, 53103, 73659, 123907, 171871, 371721, 515613, 761143, 2283429, 5328001, 15984003]

約数ペア:

[(1, 15984003), (3, 5328001), (7, 2283429), (21, 761143), (31, 515613), (43, 371721), (93, 171871), (129, 123907), (217, 73659), (301, 53103), (571, 27993), (651, 24553), (903, 17701), (1333, 11991), (1713, 9331), (3997, 3999)]