80717769

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 135851520

約数和(自身を除く): 55133751

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 121, 279, 297, 341, 363, 797, 837, 1023, 1089, 2391, 3069, 3267, 3751, 7173, 8767, 9207, 11253, 21519, 24707, 26301, 33759, 74121, 78903, 96437, 101277, 222363, 236709, 271777, 289311, 667089, 815331, 867933, 2445993, 2603799, 2989547, 7337979, 8968641, 26905923, 80717769]

約数ペア:

[(1, 80717769), (3, 26905923), (9, 8968641), (11, 7337979), (27, 2989547), (31, 2603799), (33, 2445993), (93, 867933), (99, 815331), (121, 667089), (279, 289311), (297, 271777), (341, 236709), (363, 222363), (797, 101277), (837, 96437), (1023, 78903), (1089, 74121), (2391, 33759), (3069, 26301), (3267, 24707), (3751, 21519), (7173, 11253), (8767, 9207)]