210267009

素因数分解:

$3^4\times {\mathrm{977}}^1\times {\mathrm{2657}}^1$

素因数の和:3646

約数の個数: 20

約数和(自身を含む): 314542404

約数和(自身を除く): 104275395

約数列:

[1, 3, 9, 27, 81, 977, 2657, 2931, 7971, 8793, 23913, 26379, 71739, 79137, 215217, 2595889, 7787667, 23363001, 70089003, 210267009]

約数ペア:

[(1, 210267009), (3, 70089003), (9, 23363001), (27, 7787667), (81, 2595889), (977, 215217), (2657, 79137), (2931, 71739), (7971, 26379), (8793, 23913)]