521214291

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{1831}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 833047040

約数和(自身を除く): 311832749

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 811, 1831, 2433, 5493, 7299, 10543, 16479, 21897, 23803, 31629, 49437, 71409, 94887, 214227, 284661, 642681, 1484941, 4454823, 13364469, 19304233, 40093407, 57912699, 173738097, 521214291]

約数ペア:

[(1, 521214291), (3, 173738097), (9, 57912699), (13, 40093407), (27, 19304233), (39, 13364469), (117, 4454823), (351, 1484941), (811, 642681), (1831, 284661), (2433, 214227), (5493, 94887), (7299, 71409), (10543, 49437), (16479, 31629), (21897, 23803)]