207811009

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 259372800

約数和(自身を除く): 51561791

約数列:

[1, 7, 17, 49, 119, 157, 227, 343, 833, 1099, 1589, 2669, 3859, 5831, 7693, 11123, 18683, 27013, 35639, 53851, 77861, 130781, 189091, 249473, 605863, 915467, 1323637, 1746311, 4241041, 12224177, 29687287, 207811009]

約数ペア:

[(1, 207811009), (7, 29687287), (17, 12224177), (49, 4241041), (119, 1746311), (157, 1323637), (227, 915467), (343, 605863), (833, 249473), (1099, 189091), (1589, 130781), (2669, 77861), (3859, 53851), (5831, 35639), (7693, 27013), (11123, 18683)]