7947489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 12432384

約数和(自身を除く): 4484895

約数列:

[1, 3, 11, 23, 33, 37, 69, 111, 253, 283, 407, 759, 849, 851, 1221, 2553, 3113, 6509, 9339, 9361, 10471, 19527, 28083, 31413, 71599, 115181, 214797, 240833, 345543, 722499, 2649163, 7947489]

約数ペア:

[(1, 7947489), (3, 2649163), (11, 722499), (23, 345543), (33, 240833), (37, 214797), (69, 115181), (111, 71599), (253, 31413), (283, 28083), (407, 19527), (759, 10471), (849, 9361), (851, 9339), (1221, 6509), (2553, 3113)]