61520275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 79391744

約数和(自身を除く): 17871469

約数列:

[1, 5, 25, 31, 155, 163, 487, 775, 815, 2435, 4075, 5053, 12175, 15097, 25265, 75485, 79381, 126325, 377425, 396905, 1984525, 2460811, 12304055, 61520275]

約数ペア:

[(1, 61520275), (5, 12304055), (25, 2460811), (31, 1984525), (155, 396905), (163, 377425), (487, 126325), (775, 79381), (815, 75485), (2435, 25265), (4075, 15097), (5053, 12175)]