78939279

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 127135008

約数和(自身を除く): 48195729

約数列:

[1, 3, 9, 17, 27, 51, 81, 97, 153, 197, 243, 291, 459, 591, 873, 1377, 1649, 1773, 2619, 3349, 4131, 4947, 5319, 7857, 10047, 14841, 15957, 19109, 23571, 30141, 44523, 47871, 57327, 90423, 133569, 171981, 271269, 324853, 400707, 515943, 813807, 974559, 1547829, 2923677, 4643487, 8771031, 26313093, 78939279]

約数ペア:

[(1, 78939279), (3, 26313093), (9, 8771031), (17, 4643487), (27, 2923677), (51, 1547829), (81, 974559), (97, 813807), (153, 515943), (197, 400707), (243, 324853), (291, 271269), (459, 171981), (591, 133569), (873, 90423), (1377, 57327), (1649, 47871), (1773, 44523), (2619, 30141), (3349, 23571), (4131, 19109), (4947, 15957), (5319, 14841), (7857, 10047)]