31247997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20147}}^1$

素因数の和:20208

約数の個数: 16

約数和(自身を含む): 46420992

約数和(自身を除く): 15172995

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 20147, 60441, 221617, 664851, 946909, 2840727, 10415999, 31247997]

約数ペア:

[(1, 31247997), (3, 10415999), (11, 2840727), (33, 946909), (47, 664851), (141, 221617), (517, 60441), (1551, 20147)]