28638939

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{7883}}^1$

素因数の和:8066

約数の個数: 16

約数和(自身を含む): 43898112

約数和(自身を除く): 15259173

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 7883, 23649, 55181, 165543, 1363759, 4091277, 9546313, 28638939]

約数ペア:

[(1, 28638939), (3, 9546313), (7, 4091277), (21, 1363759), (173, 165543), (519, 55181), (1211, 23649), (3633, 7883)]