28803723

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19961}}^1$

素因数の和:20014

約数の個数: 16

約数和(自身を含む): 42479136

約数和(自身を除く): 13675413

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 19961, 59883, 259493, 738557, 778479, 2215671, 9601241, 28803723]

約数ペア:

[(1, 28803723), (3, 9601241), (13, 2215671), (37, 778479), (39, 738557), (111, 259493), (481, 59883), (1443, 19961)]