864993

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 1216512

約数和(自身を除く): 351519

約数列:

[1, 3, 31, 71, 93, 131, 213, 393, 2201, 4061, 6603, 9301, 12183, 27903, 288331, 864993]

約数ペア:

[(1, 864993), (3, 288331), (31, 27903), (71, 12183), (93, 9301), (131, 6603), (213, 4061), (393, 2201)]