2019373551

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{81031}}^1$

素因数の和:81124

約数の個数: 32

約数和(自身を含む): 3267210240

約数和(自身を除く): 1247836689

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1917, 2769, 8307, 24921, 81031, 243093, 729279, 1053403, 2187837, 3160209, 5753201, 9480627, 17259603, 28441881, 51778809, 74791613, 155336427, 224374839, 673124517, 2019373551]

約数ペア:

[(1, 2019373551), (3, 673124517), (9, 224374839), (13, 155336427), (27, 74791613), (39, 51778809), (71, 28441881), (117, 17259603), (213, 9480627), (351, 5753201), (639, 3160209), (923, 2187837), (1917, 1053403), (2769, 729279), (8307, 243093), (24921, 81031)]