31392543

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1949}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 52416000

約数和(自身を除く): 21023457

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 1239, 1949, 2301, 5369, 5847, 13643, 16107, 25337, 40929, 76011, 114991, 177359, 344973, 532077, 804937, 1494883, 2414811, 4484649, 10464181, 31392543]

約数ペア:

[(1, 31392543), (3, 10464181), (7, 4484649), (13, 2414811), (21, 1494883), (39, 804937), (59, 532077), (91, 344973), (177, 177359), (273, 114991), (413, 76011), (767, 40929), (1239, 25337), (1949, 16107), (2301, 13643), (5369, 5847)]