28260765

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16103}}^1$

素因数の和:16130

約数の個数: 32

約数和(自身を含む): 54109440

約数和(自身を除く): 25848675

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 16103, 48309, 80515, 144927, 209339, 241545, 434781, 628017, 724635, 1046695, 1884051, 2173905, 3140085, 5652153, 9420255, 28260765]

約数ペア:

[(1, 28260765), (3, 9420255), (5, 5652153), (9, 3140085), (13, 2173905), (15, 1884051), (27, 1046695), (39, 724635), (45, 628017), (65, 434781), (117, 241545), (135, 209339), (195, 144927), (351, 80515), (585, 48309), (1755, 16103)]