40721121

素因数分解:

$3^2\times 7^1\times {\mathrm{797}}^1\times {\mathrm{811}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 67389504

約数和(自身を除く): 26668383

約数列:

[1, 3, 7, 9, 21, 63, 797, 811, 2391, 2433, 5579, 5677, 7173, 7299, 16737, 17031, 50211, 51093, 646367, 1939101, 4524569, 5817303, 13573707, 40721121]

約数ペア:

[(1, 40721121), (3, 13573707), (7, 5817303), (9, 4524569), (21, 1939101), (63, 646367), (797, 51093), (811, 50211), (2391, 17031), (2433, 16737), (5579, 7299), (5677, 7173)]