1390689

素因数分解:

$3^5\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 2140320

約数和(自身を除く): 749631

約数列:

[1, 3, 9, 27, 59, 81, 97, 177, 243, 291, 531, 873, 1593, 2619, 4779, 5723, 7857, 14337, 17169, 23571, 51507, 154521, 463563, 1390689]

約数ペア:

[(1, 1390689), (3, 463563), (9, 154521), (27, 51507), (59, 23571), (81, 17169), (97, 14337), (177, 7857), (243, 5723), (291, 4779), (531, 2619), (873, 1593)]