28366521

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8747}}^1$

素因数の和:8820

約数の個数: 16

約数和(自身を含む): 40310784

約数和(自身を除く): 11944263

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 8747, 26241, 201181, 411109, 603543, 1233327, 9455507, 28366521]

約数ペア:

[(1, 28366521), (3, 9455507), (23, 1233327), (47, 603543), (69, 411109), (141, 201181), (1081, 26241), (3243, 8747)]