31454973

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:887

約数の個数: 40

約数和(自身を含む): 52515936

約数和(自身を除く): 21060963

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 129, 297, 387, 473, 821, 891, 1161, 1419, 2463, 3483, 4257, 7389, 9031, 12771, 22167, 27093, 35303, 38313, 66501, 81279, 105909, 243837, 317727, 388333, 731511, 953181, 1164999, 2859543, 3494997, 10484991, 31454973]

約数ペア:

[(1, 31454973), (3, 10484991), (9, 3494997), (11, 2859543), (27, 1164999), (33, 953181), (43, 731511), (81, 388333), (99, 317727), (129, 243837), (297, 105909), (387, 81279), (473, 66501), (821, 38313), (891, 35303), (1161, 27093), (1419, 22167), (2463, 12771), (3483, 9031), (4257, 7389)]