2131191

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:412

約数の個数: 20

約数和(自身を含む): 3232152

約数和(自身を除く): 1100961

約数列:

[1, 3, 9, 27, 81, 83, 249, 317, 747, 951, 2241, 2853, 6723, 8559, 25677, 26311, 78933, 236799, 710397, 2131191]

約数ペア:

[(1, 2131191), (3, 710397), (9, 236799), (27, 78933), (81, 26311), (83, 25677), (249, 8559), (317, 6723), (747, 2853), (951, 2241)]