9987495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1303}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 18527232

約数和(自身を除く): 8539737

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 365, 511, 1095, 1303, 1533, 2555, 3909, 6515, 7665, 9121, 19545, 27363, 45605, 95119, 136815, 285357, 475595, 665833, 1426785, 1997499, 3329165, 9987495]

約数ペア:

[(1, 9987495), (3, 3329165), (5, 1997499), (7, 1426785), (15, 665833), (21, 475595), (35, 285357), (73, 136815), (105, 95119), (219, 45605), (365, 27363), (511, 19545), (1095, 9121), (1303, 7665), (1533, 6515), (2555, 3909)]