206816967

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{69847}}^1$

素因数の和:69907

約数の個数: 24

約数和(自身を含む): 348681216

約数和(自身を除く): 141864249

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 69847, 209541, 488929, 628623, 1466787, 3282809, 4400361, 9848427, 22979663, 29545281, 68938989, 206816967]

約数ペア:

[(1, 206816967), (3, 68938989), (7, 29545281), (9, 22979663), (21, 9848427), (47, 4400361), (63, 3282809), (141, 1466787), (329, 628623), (423, 488929), (987, 209541), (2961, 69847)]