28621797

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 39063552

約数和(自身を除く): 10441755

約数列:

[1, 3, 67, 131, 201, 393, 1087, 3261, 8777, 26331, 72829, 142397, 218487, 427191, 9540599, 28621797]

約数ペア:

[(1, 28621797), (3, 9540599), (67, 427191), (131, 218487), (201, 142397), (393, 72829), (1087, 26331), (3261, 8777)]