1555156953

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 2703168000

約数和(自身を除く): 1148011047

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 191, 259, 333, 441, 499, 573, 777, 1337, 1497, 1719, 1813, 2331, 3493, 4011, 4491, 5439, 7067, 9359, 10479, 12033, 16317, 18463, 21201, 24451, 28077, 31437, 49469, 55389, 63603, 73353, 84231, 95309, 129241, 148407, 166167, 220059, 285927, 346283, 387723, 445221, 667163, 857781, 904687, 1038849, 1163169, 2001489, 2714061, 3116547, 3526433, 4670141, 6004467, 8142183, 10579299, 14010423, 24685031, 31737897, 42031269, 74055093, 172795217, 222165279, 518385651, 1555156953]

約数ペア:

[(1, 1555156953), (3, 518385651), (7, 222165279), (9, 172795217), (21, 74055093), (37, 42031269), (49, 31737897), (63, 24685031), (111, 14010423), (147, 10579299), (191, 8142183), (259, 6004467), (333, 4670141), (441, 3526433), (499, 3116547), (573, 2714061), (777, 2001489), (1337, 1163169), (1497, 1038849), (1719, 904687), (1813, 857781), (2331, 667163), (3493, 445221), (4011, 387723), (4491, 346283), (5439, 285927), (7067, 220059), (9359, 166167), (10479, 148407), (12033, 129241), (16317, 95309), (18463, 84231), (21201, 73353), (24451, 63603), (28077, 55389), (31437, 49469)]