261862029

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 457493400

約数和(自身を除く): 195631371

約数列:

[1, 3, 9, 11, 13, 33, 39, 53, 99, 117, 121, 143, 159, 349, 363, 429, 477, 583, 689, 1047, 1089, 1287, 1573, 1749, 2067, 3141, 3839, 4537, 4719, 5247, 6201, 6413, 7579, 11517, 13611, 14157, 18497, 19239, 22737, 34551, 40833, 42229, 49907, 55491, 57717, 68211, 83369, 126687, 149721, 166473, 203467, 240461, 250107, 380061, 449163, 548977, 610401, 721383, 750321, 1646931, 1831203, 2164149, 2238137, 2645071, 4940793, 6714411, 7935213, 20143233, 23805639, 29095781, 87287343, 261862029]

約数ペア:

[(1, 261862029), (3, 87287343), (9, 29095781), (11, 23805639), (13, 20143233), (33, 7935213), (39, 6714411), (53, 4940793), (99, 2645071), (117, 2238137), (121, 2164149), (143, 1831203), (159, 1646931), (349, 750321), (363, 721383), (429, 610401), (477, 548977), (583, 449163), (689, 380061), (1047, 250107), (1089, 240461), (1287, 203467), (1573, 166473), (1749, 149721), (2067, 126687), (3141, 83369), (3839, 68211), (4537, 57717), (4719, 55491), (5247, 49907), (6201, 42229), (6413, 40833), (7579, 34551), (11517, 22737), (13611, 19239), (14157, 18497)]