11781891

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:408

約数の個数: 36

約数和(自身を含む): 19364800

約数和(自身を除く): 7582909

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 121, 279, 341, 349, 363, 1023, 1047, 1089, 3069, 3141, 3751, 3839, 10819, 11253, 11517, 32457, 33759, 34551, 42229, 97371, 119009, 126687, 357027, 380061, 1071081, 1309099, 3927297, 11781891]

約数ペア:

[(1, 11781891), (3, 3927297), (9, 1309099), (11, 1071081), (31, 380061), (33, 357027), (93, 126687), (99, 119009), (121, 97371), (279, 42229), (341, 34551), (349, 33759), (363, 32457), (1023, 11517), (1047, 11253), (1089, 10819), (3069, 3839), (3141, 3751)]