1968759

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 3225600

約数和(自身を除く): 1256841

約数列:

[1, 3, 9, 13, 27, 39, 71, 79, 117, 213, 237, 351, 639, 711, 923, 1027, 1917, 2133, 2769, 3081, 5609, 8307, 9243, 16827, 24921, 27729, 50481, 72917, 151443, 218751, 656253, 1968759]

約数ペア:

[(1, 1968759), (3, 656253), (9, 218751), (13, 151443), (27, 72917), (39, 50481), (71, 27729), (79, 24921), (117, 16827), (213, 9243), (237, 8307), (351, 5609), (639, 3081), (711, 2769), (923, 2133), (1027, 1917)]