2951397

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:534

約数の個数: 20

約数和(自身を含む): 4472160

約数和(自身を除く): 1520763

約数列:

[1, 3, 9, 27, 81, 83, 249, 439, 747, 1317, 2241, 3951, 6723, 11853, 35559, 36437, 109311, 327933, 983799, 2951397]

約数ペア:

[(1, 2951397), (3, 983799), (9, 327933), (27, 109311), (81, 36437), (83, 35559), (249, 11853), (439, 6723), (747, 3951), (1317, 2241)]