2658879

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 4262400

約数和(自身を除く): 1603521

約数列:

[1, 3, 9, 19, 27, 57, 71, 73, 171, 213, 219, 513, 639, 657, 1349, 1387, 1917, 1971, 4047, 4161, 5183, 12141, 12483, 15549, 36423, 37449, 46647, 98477, 139941, 295431, 886293, 2658879]

約数ペア:

[(1, 2658879), (3, 886293), (9, 295431), (19, 139941), (27, 98477), (57, 46647), (71, 37449), (73, 36423), (171, 15549), (213, 12483), (219, 12141), (513, 5183), (639, 4161), (657, 4047), (1349, 1971), (1387, 1917)]