2540745

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 4447872

約数和(自身を除く): 1907127

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 431, 655, 1179, 1293, 1965, 2155, 3879, 5895, 6465, 19395, 56461, 169383, 282305, 508149, 846915, 2540745]

約数ペア:

[(1, 2540745), (3, 846915), (5, 508149), (9, 282305), (15, 169383), (45, 56461), (131, 19395), (393, 6465), (431, 5895), (655, 3879), (1179, 2155), (1293, 1965)]