31236219

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 25211781

約数列:

[1, 3, 7, 9, 21, 27, 29, 41, 63, 87, 123, 139, 189, 203, 261, 287, 369, 417, 609, 783, 861, 973, 1107, 1189, 1251, 1827, 2583, 2919, 3567, 3753, 4031, 5481, 5699, 7749, 8323, 8757, 10701, 12093, 17097, 24969, 26271, 28217, 32103, 36279, 39893, 51291, 74907, 84651, 108837, 119679, 153873, 165271, 224721, 253953, 359037, 495813, 761859, 1077111, 1156897, 1487439, 3470691, 4462317, 10412073, 31236219]

約数ペア:

[(1, 31236219), (3, 10412073), (7, 4462317), (9, 3470691), (21, 1487439), (27, 1156897), (29, 1077111), (41, 761859), (63, 495813), (87, 359037), (123, 253953), (139, 224721), (189, 165271), (203, 153873), (261, 119679), (287, 108837), (369, 84651), (417, 74907), (609, 51291), (783, 39893), (861, 36279), (973, 32103), (1107, 28217), (1189, 26271), (1251, 24969), (1827, 17097), (2583, 12093), (2919, 10701), (3567, 8757), (3753, 8323), (4031, 7749), (5481, 5699)]