28766721

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{5023}}^1$

素因数の和:5132

約数の個数: 16

約数和(自身を含む): 40513536

約数和(自身を除く): 11746815

約数列:

[1, 3, 23, 69, 83, 249, 1909, 5023, 5727, 15069, 115529, 346587, 416909, 1250727, 9588907, 28766721]

約数ペア:

[(1, 28766721), (3, 9588907), (23, 1250727), (69, 416909), (83, 346587), (249, 115529), (1909, 15069), (5023, 5727)]