155991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 16

約数和(自身を含む): 236160

約数和(自身を除く): 80169

約数列:

[1, 3, 11, 29, 33, 87, 163, 319, 489, 957, 1793, 4727, 5379, 14181, 51997, 155991]

約数ペア:

[(1, 155991), (3, 51997), (11, 14181), (29, 5379), (33, 4727), (87, 1793), (163, 957), (319, 489)]