313645647

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 485084160

約数和(自身を除く): 171438513

約数列:

[1, 3, 7, 21, 109, 263, 327, 521, 763, 789, 1563, 1841, 2289, 3647, 5523, 10941, 28667, 56789, 86001, 137023, 170367, 200669, 397523, 411069, 602007, 959161, 1192569, 2877483, 14935507, 44806521, 104548549, 313645647]

約数ペア:

[(1, 313645647), (3, 104548549), (7, 44806521), (21, 14935507), (109, 2877483), (263, 1192569), (327, 959161), (521, 602007), (763, 411069), (789, 397523), (1563, 200669), (1841, 170367), (2289, 137023), (3647, 86001), (5523, 56789), (10941, 28667)]