7880571

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 40

約数和(自身を含む): 12806640

約数和(自身を除く): 4926069

約数列:

[1, 3, 9, 17, 27, 51, 59, 81, 97, 153, 177, 291, 459, 531, 873, 1003, 1377, 1593, 1649, 2619, 3009, 4779, 4947, 5723, 7857, 9027, 14841, 17169, 27081, 44523, 51507, 81243, 97291, 133569, 154521, 291873, 463563, 875619, 2626857, 7880571]

約数ペア:

[(1, 7880571), (3, 2626857), (9, 875619), (17, 463563), (27, 291873), (51, 154521), (59, 133569), (81, 97291), (97, 81243), (153, 51507), (177, 44523), (291, 27081), (459, 17169), (531, 14841), (873, 9027), (1003, 7857), (1377, 5723), (1593, 4947), (1649, 4779), (2619, 3009)]