207867771

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{467}}^1$

素因数の和:648

約数の個数: 36

約数和(自身を含む): 319884552

約数和(自身を除く): 112016781

約数列:

[1, 3, 9, 19, 57, 137, 171, 361, 411, 467, 1083, 1233, 1401, 2603, 3249, 4203, 7809, 8873, 23427, 26619, 49457, 63979, 79857, 148371, 168587, 191937, 445113, 505761, 575811, 1215601, 1517283, 3646803, 10940409, 23096419, 69289257, 207867771]

約数ペア:

[(1, 207867771), (3, 69289257), (9, 23096419), (19, 10940409), (57, 3646803), (137, 1517283), (171, 1215601), (361, 575811), (411, 505761), (467, 445113), (1083, 191937), (1233, 168587), (1401, 148371), (2603, 79857), (3249, 63979), (4203, 49457), (7809, 26619), (8873, 23427)]