51383409

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 89084160

約数和(自身を除く): 37700751

約数列:

[1, 3, 7, 11, 21, 33, 43, 49, 77, 129, 147, 231, 301, 473, 539, 739, 903, 1419, 1617, 2107, 2217, 3311, 5173, 6321, 8129, 9933, 15519, 23177, 24387, 31777, 36211, 56903, 69531, 95331, 108633, 170709, 222439, 349547, 398321, 667317, 1048641, 1194963, 1557073, 2446829, 4671219, 7340487, 17127803, 51383409]

約数ペア:

[(1, 51383409), (3, 17127803), (7, 7340487), (11, 4671219), (21, 2446829), (33, 1557073), (43, 1194963), (49, 1048641), (77, 667317), (129, 398321), (147, 349547), (231, 222439), (301, 170709), (473, 108633), (539, 95331), (739, 69531), (903, 56903), (1419, 36211), (1617, 31777), (2107, 24387), (2217, 23177), (3311, 15519), (5173, 9933), (6321, 8129)]