205344279

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{105143}}^1$

素因数の和:105187

約数の個数: 24

約数和(自身を含む): 349919232

約数和(自身を除く): 144574953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 105143, 315429, 736001, 946287, 2208003, 3259433, 6624009, 9778299, 22816031, 29334897, 68448093, 205344279]

約数ペア:

[(1, 205344279), (3, 68448093), (7, 29334897), (9, 22816031), (21, 9778299), (31, 6624009), (63, 3259433), (93, 2208003), (217, 946287), (279, 736001), (651, 315429), (1953, 105143)]