13331457

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 20187648

約数和(自身を除く): 6856191

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 673, 2019, 2201, 6057, 6603, 19809, 20863, 47783, 62589, 143349, 187767, 430047, 1481273, 4443819, 13331457]

約数ペア:

[(1, 13331457), (3, 4443819), (9, 1481273), (31, 430047), (71, 187767), (93, 143349), (213, 62589), (279, 47783), (639, 20863), (673, 19809), (2019, 6603), (2201, 6057)]