31988103

素因数分解:

$3^1\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{1381}}^1$

素因数の和:2494

約数の個数: 16

約数和(自身を含む): 48823296

約数和(自身を除く): 16835193

約数列:

[1, 3, 7, 21, 1103, 1381, 3309, 4143, 7721, 9667, 23163, 29001, 1523243, 4569729, 10662701, 31988103]

約数ペア:

[(1, 31988103), (3, 10662701), (7, 4569729), (21, 1523243), (1103, 29001), (1381, 23163), (3309, 9667), (4143, 7721)]