215299525

素因数分解:

$5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{11287}}^1$

素因数の和:11413

約数の個数: 24

約数和(自身を含む): 307936640

約数和(自身を除く): 92637115

約数列:

[1, 5, 7, 25, 35, 109, 175, 545, 763, 2725, 3815, 11287, 19075, 56435, 79009, 282175, 395045, 1230283, 1975225, 6151415, 8611981, 30757075, 43059905, 215299525]

約数ペア:

[(1, 215299525), (5, 43059905), (7, 30757075), (25, 8611981), (35, 6151415), (109, 1975225), (175, 1230283), (545, 395045), (763, 282175), (2725, 79009), (3815, 56435), (11287, 19075)]