81209079

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^2\times {\mathrm{137}}^1$

素因数の和:344

約数の個数: 36

約数和(自身を含む): 136444464

約数和(自身を除く): 55235385

約数列:

[1, 3, 7, 9, 21, 63, 97, 137, 291, 411, 679, 873, 959, 1233, 2037, 2877, 6111, 8631, 9409, 13289, 28227, 39867, 65863, 84681, 93023, 119601, 197589, 279069, 592767, 837207, 1289033, 3867099, 9023231, 11601297, 27069693, 81209079]

約数ペア:

[(1, 81209079), (3, 27069693), (7, 11601297), (9, 9023231), (21, 3867099), (63, 1289033), (97, 837207), (137, 592767), (291, 279069), (411, 197589), (679, 119601), (873, 93023), (959, 84681), (1233, 65863), (2037, 39867), (2877, 28227), (6111, 13289), (8631, 9409)]