71727201

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 135953664

約数和(自身を除く): 64226463

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 81, 91, 111, 117, 189, 259, 263, 273, 333, 351, 481, 567, 777, 789, 819, 999, 1053, 1443, 1841, 2331, 2367, 2457, 2997, 3367, 3419, 4329, 5523, 6993, 7101, 7371, 9731, 10101, 10257, 12987, 16569, 20979, 21303, 23933, 29193, 30303, 30771, 38961, 49707, 68117, 71799, 87579, 90909, 92313, 126503, 149121, 204351, 215397, 262737, 272727, 276939, 379509, 613053, 646191, 788211, 885521, 1138527, 1839159, 1938573, 2656563, 3415581, 5517477, 7969689, 10246743, 23909067, 71727201]

約数ペア:

[(1, 71727201), (3, 23909067), (7, 10246743), (9, 7969689), (13, 5517477), (21, 3415581), (27, 2656563), (37, 1938573), (39, 1839159), (63, 1138527), (81, 885521), (91, 788211), (111, 646191), (117, 613053), (189, 379509), (259, 276939), (263, 272727), (273, 262737), (333, 215397), (351, 204351), (481, 149121), (567, 126503), (777, 92313), (789, 90909), (819, 87579), (999, 71799), (1053, 68117), (1443, 49707), (1841, 38961), (2331, 30771), (2367, 30303), (2457, 29193), (2997, 23933), (3367, 21303), (3419, 20979), (4329, 16569), (5523, 12987), (6993, 10257), (7101, 10101), (7371, 9731)]