28520715

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13679}}^1$

素因数の和:13826

約数の個数: 16

約数和(自身を含む): 45964800

約数和(自身を除く): 17444085

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 13679, 41037, 68395, 205185, 1901381, 5704143, 9506905, 28520715]

約数ペア:

[(1, 28520715), (3, 9506905), (5, 5704143), (15, 1901381), (139, 205185), (417, 68395), (695, 41037), (2085, 13679)]