28378713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1301}}^1$

素因数の和:1976

約数の個数: 16

約数和(自身を含む): 41372352

約数和(自身を除く): 12993639

約数列:

[1, 3, 11, 33, 661, 1301, 1983, 3903, 7271, 14311, 21813, 42933, 859961, 2579883, 9459571, 28378713]

約数ペア:

[(1, 28378713), (3, 9459571), (11, 2579883), (33, 859961), (661, 42933), (1301, 21813), (1983, 14311), (3903, 7271)]