7218939

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 12242944

約数和(自身を除く): 5024005

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 853, 1209, 2559, 2821, 5971, 8463, 11089, 17913, 26443, 33267, 77623, 79329, 185101, 232869, 343759, 555303, 1031277, 2406313, 7218939]

約数ペア:

[(1, 7218939), (3, 2406313), (7, 1031277), (13, 555303), (21, 343759), (31, 232869), (39, 185101), (91, 79329), (93, 77623), (217, 33267), (273, 26443), (403, 17913), (651, 11089), (853, 8463), (1209, 5971), (2559, 2821)]