918240057

素因数分解:

$3^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 120

約数和(自身を含む): 1747975680

約数和(自身を除く): 829735623

約数列:

[1, 3, 7, 9, 17, 21, 27, 31, 49, 51, 63, 81, 93, 119, 147, 153, 189, 217, 279, 357, 439, 441, 459, 527, 567, 651, 833, 837, 1071, 1317, 1323, 1377, 1519, 1581, 1953, 2499, 2511, 3073, 3213, 3689, 3951, 3969, 4557, 4743, 5859, 7463, 7497, 9219, 9639, 11067, 11853, 13609, 13671, 14229, 17577, 21511, 22389, 22491, 25823, 27657, 33201, 35559, 40827, 41013, 42687, 52241, 64533, 67167, 67473, 77469, 82971, 95263, 99603, 122481, 123039, 156723, 193599, 201501, 231353, 232407, 248913, 285789, 298809, 365687, 367443, 470169, 580797, 604503, 666841, 694059, 697221, 857367, 1097061, 1102329, 1410507, 1619471, 1742391, 2000523, 2082177, 2091663, 2572101, 3291183, 4231521, 4858413, 6001569, 6246531, 7716303, 9873549, 11336297, 14575239, 18004707, 18739593, 29620647, 34008891, 43725717, 54014121, 102026673, 131177151, 306080019, 918240057]

約数ペア:

[(1, 918240057), (3, 306080019), (7, 131177151), (9, 102026673), (17, 54014121), (21, 43725717), (27, 34008891), (31, 29620647), (49, 18739593), (51, 18004707), (63, 14575239), (81, 11336297), (93, 9873549), (119, 7716303), (147, 6246531), (153, 6001569), (189, 4858413), (217, 4231521), (279, 3291183), (357, 2572101), (439, 2091663), (441, 2082177), (459, 2000523), (527, 1742391), (567, 1619471), (651, 1410507), (833, 1102329), (837, 1097061), (1071, 857367), (1317, 697221), (1323, 694059), (1377, 666841), (1519, 604503), (1581, 580797), (1953, 470169), (2499, 367443), (2511, 365687), (3073, 298809), (3213, 285789), (3689, 248913), (3951, 232407), (3969, 231353), (4557, 201501), (4743, 193599), (5859, 156723), (7463, 123039), (7497, 122481), (9219, 99603), (9639, 95263), (11067, 82971), (11853, 77469), (13609, 67473), (13671, 67167), (14229, 64533), (17577, 52241), (21511, 42687), (22389, 41013), (22491, 40827), (25823, 35559), (27657, 33201)]