289916991

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 560967680

約数和(自身を除く): 271050689

約数列:

[1, 3, 7, 9, 13, 19, 21, 31, 39, 57, 63, 91, 93, 117, 133, 171, 217, 247, 273, 279, 399, 403, 589, 601, 651, 741, 819, 1197, 1209, 1729, 1767, 1803, 1953, 2223, 2821, 3627, 4123, 4207, 5187, 5301, 5409, 7657, 7813, 8463, 11419, 12369, 12621, 15561, 18631, 22971, 23439, 25389, 34257, 37107, 37863, 53599, 54691, 55893, 68913, 70317, 79933, 102771, 130417, 148447, 160797, 164073, 167679, 239799, 242203, 353989, 391251, 445341, 482391, 492219, 719397, 726609, 1039129, 1061967, 1173753, 1336023, 1695421, 2179827, 2477923, 3117387, 3185901, 4601857, 5086263, 7433769, 9352161, 13805571, 15258789, 22301307, 32212999, 41416713, 96638997, 289916991]

約数ペア:

[(1, 289916991), (3, 96638997), (7, 41416713), (9, 32212999), (13, 22301307), (19, 15258789), (21, 13805571), (31, 9352161), (39, 7433769), (57, 5086263), (63, 4601857), (91, 3185901), (93, 3117387), (117, 2477923), (133, 2179827), (171, 1695421), (217, 1336023), (247, 1173753), (273, 1061967), (279, 1039129), (399, 726609), (403, 719397), (589, 492219), (601, 482391), (651, 445341), (741, 391251), (819, 353989), (1197, 242203), (1209, 239799), (1729, 167679), (1767, 164073), (1803, 160797), (1953, 148447), (2223, 130417), (2821, 102771), (3627, 79933), (4123, 70317), (4207, 68913), (5187, 55893), (5301, 54691), (5409, 53599), (7657, 37863), (7813, 37107), (8463, 34257), (11419, 25389), (12369, 23439), (12621, 22971), (15561, 18631)]