64686741

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{673}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 103526400

約数和(自身を除く): 38839659

約数列:

[1, 3, 7, 21, 23, 69, 161, 199, 483, 597, 673, 1393, 2019, 4179, 4577, 4711, 13731, 14133, 15479, 32039, 46437, 96117, 108353, 133927, 325059, 401781, 937489, 2812467, 3080321, 9240963, 21562247, 64686741]

約数ペア:

[(1, 64686741), (3, 21562247), (7, 9240963), (21, 3080321), (23, 2812467), (69, 937489), (161, 401781), (199, 325059), (483, 133927), (597, 108353), (673, 96117), (1393, 46437), (2019, 32039), (4179, 15479), (4577, 14133), (4711, 13731)]