129355975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43481}}^1$

素因数の和:43515

約数の個数: 24

約数和(自身を含む): 194103648

約数和(自身を除く): 64747673

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 43481, 217405, 304367, 739177, 1087025, 1521835, 3695885, 5174239, 7609175, 18479425, 25871195, 129355975]

約数ペア:

[(1, 129355975), (5, 25871195), (7, 18479425), (17, 7609175), (25, 5174239), (35, 3695885), (85, 1521835), (119, 1087025), (175, 739177), (425, 304367), (595, 217405), (2975, 43481)]