12785031

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:620

約数の個数: 36

約数和(自身を含む): 21927672

約数和(自身を除く): 9142641

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 547, 1113, 1641, 2597, 3339, 3829, 4923, 7791, 11487, 23373, 26803, 28991, 34461, 80409, 86973, 202937, 241227, 260919, 608811, 1420559, 1826433, 4261677, 12785031]

約数ペア:

[(1, 12785031), (3, 4261677), (7, 1826433), (9, 1420559), (21, 608811), (49, 260919), (53, 241227), (63, 202937), (147, 86973), (159, 80409), (371, 34461), (441, 28991), (477, 26803), (547, 23373), (1113, 11487), (1641, 7791), (2597, 4923), (3339, 3829)]