12863991

素因数分解:

$3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1543}}^1$

素因数の和:1950

約数の個数: 16

約数和(自身を含む): 19664384

約数和(自身を除く): 6800393

約数列:

[1, 3, 7, 21, 397, 1191, 1543, 2779, 4629, 8337, 10801, 32403, 612571, 1837713, 4287997, 12863991]

約数ペア:

[(1, 12863991), (3, 4287997), (7, 1837713), (21, 612571), (397, 32403), (1191, 10801), (1543, 8337), (2779, 4629)]