28639677

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20183}}^1$

素因数の和:20240

約数の個数: 16

約数和(自身を含む): 42628608

約数和(自身を除く): 13988931

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 20183, 60549, 222013, 666039, 867869, 2603607, 9546559, 28639677]

約数ペア:

[(1, 28639677), (3, 9546559), (11, 2603607), (33, 867869), (43, 666039), (129, 222013), (473, 60549), (1419, 20183)]