28254723

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2633}}^1$

素因数の和:2723

約数の個数: 24

約数和(自身を含む): 44440848

約数和(自身を除く): 16186125

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 2633, 3577, 7899, 10731, 18431, 55293, 129017, 192209, 387051, 576627, 1345463, 4036389, 9418241, 28254723]

約数ペア:

[(1, 28254723), (3, 9418241), (7, 4036389), (21, 1345463), (49, 576627), (73, 387051), (147, 192209), (219, 129017), (511, 55293), (1533, 18431), (2633, 10731), (3577, 7899)]