7899957

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 12821760

約数和(自身を除く): 4921803

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 317, 351, 639, 923, 951, 1917, 2769, 2853, 4121, 8307, 8559, 12363, 22507, 24921, 37089, 67521, 111267, 202563, 292591, 607689, 877773, 2633319, 7899957]

約数ペア:

[(1, 7899957), (3, 2633319), (9, 877773), (13, 607689), (27, 292591), (39, 202563), (71, 111267), (117, 67521), (213, 37089), (317, 24921), (351, 22507), (639, 12363), (923, 8559), (951, 8307), (1917, 4121), (2769, 2853)]