42666993

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{2647}}^1$

素因数の和:2858

約数の個数: 20

約数和(自身を含む): 64081600

約数和(自身を除く): 21414607

約数列:

[1, 3, 9, 27, 81, 199, 597, 1791, 2647, 5373, 7941, 16119, 23823, 71469, 214407, 526753, 1580259, 4740777, 14222331, 42666993]

約数ペア:

[(1, 42666993), (3, 14222331), (9, 4740777), (27, 1580259), (81, 526753), (199, 214407), (597, 71469), (1791, 23823), (2647, 16119), (5373, 7941)]