12870945

素因数分解:

$3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1249}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 22425000

約数和(自身を除く): 9554055

約数列:

[1, 3, 5, 9, 15, 45, 229, 687, 1145, 1249, 2061, 3435, 3747, 6245, 10305, 11241, 18735, 56205, 286021, 858063, 1430105, 2574189, 4290315, 12870945]

約数ペア:

[(1, 12870945), (3, 4290315), (5, 2574189), (9, 1430105), (15, 858063), (45, 286021), (229, 56205), (687, 18735), (1145, 11241), (1249, 10305), (2061, 6245), (3435, 3747)]