31254093

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 51145248

約数和(自身を除く): 19891155

約数列:

[1, 3, 9, 13, 27, 39, 67, 81, 117, 201, 351, 443, 603, 871, 1053, 1329, 1809, 2613, 3987, 5427, 5759, 7839, 11961, 17277, 23517, 29681, 35883, 51831, 70551, 89043, 155493, 267129, 385853, 466479, 801387, 1157559, 2404161, 3472677, 10418031, 31254093]

約数ペア:

[(1, 31254093), (3, 10418031), (9, 3472677), (13, 2404161), (27, 1157559), (39, 801387), (67, 466479), (81, 385853), (117, 267129), (201, 155493), (351, 89043), (443, 70551), (603, 51831), (871, 35883), (1053, 29681), (1329, 23517), (1809, 17277), (2613, 11961), (3987, 7839), (5427, 5759)]