28126905

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17203}}^1$

素因数の和:17320

約数の個数: 16

約数和(自身を含む): 45418560

約数和(自身を除く): 17291655

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 17203, 51609, 86015, 258045, 1875127, 5625381, 9375635, 28126905]

約数ペア:

[(1, 28126905), (3, 9375635), (5, 5625381), (15, 1875127), (109, 258045), (327, 86015), (545, 51609), (1635, 17203)]