81004131

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1789}}^1$

素因数の和:1857

約数の個数: 40

約数和(自身を含む): 133419440

約数和(自身を除く): 52415309

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 351, 387, 559, 1053, 1161, 1677, 1789, 3483, 5031, 5367, 15093, 16101, 23257, 45279, 48303, 69771, 76927, 144909, 209313, 230781, 627939, 692343, 1000051, 1883817, 2077029, 3000153, 6231087, 9000459, 27001377, 81004131]

約数ペア:

[(1, 81004131), (3, 27001377), (9, 9000459), (13, 6231087), (27, 3000153), (39, 2077029), (43, 1883817), (81, 1000051), (117, 692343), (129, 627939), (351, 230781), (387, 209313), (559, 144909), (1053, 76927), (1161, 69771), (1677, 48303), (1789, 45279), (3483, 23257), (5031, 16101), (5367, 15093)]