253503999

素因数分解:

$3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2777}}^1$

素因数の和:2826

約数の個数: 60

約数和(自身を含む): 459836784

約数和(自身を除く): 206332785

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 81, 147, 161, 189, 207, 441, 483, 567, 621, 1127, 1323, 1449, 1863, 2777, 3381, 3969, 4347, 8331, 10143, 13041, 19439, 24993, 30429, 58317, 63871, 74979, 91287, 136073, 174951, 191613, 224937, 408219, 447097, 524853, 574839, 1224657, 1341291, 1574559, 1724517, 3129679, 3673971, 4023873, 5173551, 9389037, 11021913, 12071619, 28167111, 36214857, 84501333, 253503999]

約数ペア:

[(1, 253503999), (3, 84501333), (7, 36214857), (9, 28167111), (21, 12071619), (23, 11021913), (27, 9389037), (49, 5173551), (63, 4023873), (69, 3673971), (81, 3129679), (147, 1724517), (161, 1574559), (189, 1341291), (207, 1224657), (441, 574839), (483, 524853), (567, 447097), (621, 408219), (1127, 224937), (1323, 191613), (1449, 174951), (1863, 136073), (2777, 91287), (3381, 74979), (3969, 63871), (4347, 58317), (8331, 30429), (10143, 24993), (13041, 19439)]