28100085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{144103}}^1$

素因数の和:144124

約数の個数: 16

約数和(自身を含む): 48418944

約数和(自身を除く): 20318859

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 144103, 432309, 720515, 1873339, 2161545, 5620017, 9366695, 28100085]

約数ペア:

[(1, 28100085), (3, 9366695), (5, 5620017), (13, 2161545), (15, 1873339), (39, 720515), (65, 432309), (195, 144103)]