81617225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3301}}^1$

素因数の和:3377

約数の個数: 24

約数和(自身を含む): 108094272

約数和(自身を除く): 26477047

約数列:

[1, 5, 23, 25, 43, 115, 215, 575, 989, 1075, 3301, 4945, 16505, 24725, 75923, 82525, 141943, 379615, 709715, 1898075, 3264689, 3548575, 16323445, 81617225]

約数ペア:

[(1, 81617225), (5, 16323445), (23, 3548575), (25, 3264689), (43, 1898075), (115, 709715), (215, 379615), (575, 141943), (989, 82525), (1075, 75923), (3301, 24725), (4945, 16505)]