208087137

素因数分解:

$3^4\times {\mathrm{1289}}^1\times {\mathrm{1993}}^1$

素因数の和:3294

約数の個数: 20

約数和(自身を含む): 311243460

約数和(自身を除く): 103156323

約数列:

[1, 3, 9, 27, 81, 1289, 1993, 3867, 5979, 11601, 17937, 34803, 53811, 104409, 161433, 2568977, 7706931, 23120793, 69362379, 208087137]

約数ペア:

[(1, 208087137), (3, 69362379), (9, 23120793), (27, 7706931), (81, 2568977), (1289, 161433), (1993, 104409), (3867, 53811), (5979, 34803), (11601, 17937)]