201128105

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1\times {\mathrm{769}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 258137880

約数和(自身を除く): 57009775

約数列:

[1, 5, 17, 85, 181, 289, 769, 905, 1445, 3077, 3845, 13073, 15385, 52309, 65365, 139189, 222241, 261545, 695945, 1111205, 2366213, 11831065, 40225621, 201128105]

約数ペア:

[(1, 201128105), (5, 40225621), (17, 11831065), (85, 2366213), (181, 1111205), (289, 695945), (769, 261545), (905, 222241), (1445, 139189), (3077, 65365), (3845, 52309), (13073, 15385)]