31605957

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 50088192

約数和(自身を除く): 18482235

約数列:

[1, 3, 9, 27, 31, 41, 81, 93, 123, 279, 307, 369, 837, 921, 1107, 1271, 2511, 2763, 3321, 3813, 8289, 9517, 11439, 12587, 24867, 28551, 34317, 37761, 85653, 102951, 113283, 256959, 339849, 390197, 770877, 1019547, 1170591, 3511773, 10535319, 31605957]

約数ペア:

[(1, 31605957), (3, 10535319), (9, 3511773), (27, 1170591), (31, 1019547), (41, 770877), (81, 390197), (93, 339849), (123, 256959), (279, 113283), (307, 102951), (369, 85653), (837, 37761), (921, 34317), (1107, 28551), (1271, 24867), (2511, 12587), (2763, 11439), (3321, 9517), (3813, 8289)]