389367027

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{24821}}^1$

素因数の和:24920

約数の個数: 32

約数和(自身を含む): 667215360

約数和(自身を除く): 277848333

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1743, 2241, 5229, 15687, 24821, 74463, 173747, 223389, 521241, 670167, 1563723, 2060143, 4691169, 6180429, 14421001, 18541287, 43263003, 55623861, 129789009, 389367027]

約数ペア:

[(1, 389367027), (3, 129789009), (7, 55623861), (9, 43263003), (21, 18541287), (27, 14421001), (63, 6180429), (83, 4691169), (189, 2060143), (249, 1563723), (581, 670167), (747, 521241), (1743, 223389), (2241, 173747), (5229, 74463), (15687, 24821)]