1986999

素因数分解:

$3^1\times 7^3\times {\mathrm{1931}}^1$

素因数の和:1955

約数の個数: 16

約数和(自身を含む): 3091200

約数和(自身を除く): 1104201

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1931, 5793, 13517, 40551, 94619, 283857, 662333, 1986999]

約数ペア:

[(1, 1986999), (3, 662333), (7, 283857), (21, 94619), (49, 40551), (147, 13517), (343, 5793), (1029, 1931)]