278677911

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{6779}}^1$

素因数の和:7046

約数の個数: 16

約数和(自身を含む): 378812160

約数和(自身を除く): 100134249

約数列:

[1, 3, 71, 193, 213, 579, 6779, 13703, 20337, 41109, 481309, 1308347, 1443927, 3925041, 92892637, 278677911]

約数ペア:

[(1, 278677911), (3, 92892637), (71, 3925041), (193, 1443927), (213, 1308347), (579, 481309), (6779, 41109), (13703, 20337)]