81448497

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 146764800

約数和(自身を除く): 65316303

約数列:

[1, 3, 9, 13, 19, 23, 27, 39, 57, 59, 69, 81, 117, 171, 177, 207, 243, 247, 299, 351, 437, 513, 531, 621, 741, 767, 897, 1053, 1121, 1311, 1357, 1539, 1593, 1863, 2223, 2301, 2691, 3159, 3363, 3933, 4071, 4617, 4779, 5589, 5681, 6669, 6903, 8073, 10089, 11799, 12213, 14337, 14573, 17043, 17641, 20007, 20709, 24219, 25783, 30267, 35397, 36639, 43719, 51129, 52923, 60021, 62127, 72657, 77349, 90801, 106191, 109917, 131157, 153387, 158769, 186381, 232047, 272403, 329751, 335179, 393471, 460161, 476307, 696141, 1005537, 1180413, 1380483, 1428921, 2088423, 3016611, 3541239, 4286763, 6265269, 9049833, 27149499, 81448497]

約数ペア:

[(1, 81448497), (3, 27149499), (9, 9049833), (13, 6265269), (19, 4286763), (23, 3541239), (27, 3016611), (39, 2088423), (57, 1428921), (59, 1380483), (69, 1180413), (81, 1005537), (117, 696141), (171, 476307), (177, 460161), (207, 393471), (243, 335179), (247, 329751), (299, 272403), (351, 232047), (437, 186381), (513, 158769), (531, 153387), (621, 131157), (741, 109917), (767, 106191), (897, 90801), (1053, 77349), (1121, 72657), (1311, 62127), (1357, 60021), (1539, 52923), (1593, 51129), (1863, 43719), (2223, 36639), (2301, 35397), (2691, 30267), (3159, 25783), (3363, 24219), (3933, 20709), (4071, 20007), (4617, 17641), (4779, 17043), (5589, 14573), (5681, 14337), (6669, 12213), (6903, 11799), (8073, 10089)]