27928233

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 18197847

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 243, 263, 437, 513, 621, 789, 1311, 1539, 1863, 2367, 3933, 4617, 4997, 5589, 6049, 7101, 11799, 14991, 18147, 21303, 35397, 44973, 54441, 63909, 106191, 114931, 134919, 163323, 344793, 404757, 489969, 1034379, 1214271, 1469907, 3103137, 9309411, 27928233]

約数ペア:

[(1, 27928233), (3, 9309411), (9, 3103137), (19, 1469907), (23, 1214271), (27, 1034379), (57, 489969), (69, 404757), (81, 344793), (171, 163323), (207, 134919), (243, 114931), (263, 106191), (437, 63909), (513, 54441), (621, 44973), (789, 35397), (1311, 21303), (1539, 18147), (1863, 14991), (2367, 11799), (3933, 7101), (4617, 6049), (4997, 5589)]