31718133

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 48048000

約数和(自身を除く): 16329867

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1763, 1999, 5289, 5997, 15867, 17991, 81959, 85957, 245877, 257871, 737631, 773613, 3524237, 10572711, 31718133]

約数ペア:

[(1, 31718133), (3, 10572711), (9, 3524237), (41, 773613), (43, 737631), (123, 257871), (129, 245877), (369, 85957), (387, 81959), (1763, 17991), (1999, 15867), (5289, 5997)]