28270905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1283}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 49182336

約数和(自身を除く): 20911431

約数列:

[1, 3, 5, 13, 15, 39, 65, 113, 195, 339, 565, 1283, 1469, 1695, 3849, 4407, 6415, 7345, 16679, 19245, 22035, 50037, 83395, 144979, 250185, 434937, 724895, 1884727, 2174685, 5654181, 9423635, 28270905]

約数ペア:

[(1, 28270905), (3, 9423635), (5, 5654181), (13, 2174685), (15, 1884727), (39, 724895), (65, 434937), (113, 250185), (195, 144979), (339, 83395), (565, 50037), (1283, 22035), (1469, 19245), (1695, 16679), (3849, 7345), (4407, 6415)]