81688986

素因数分解:

$2^1\times 3^4\times {\mathrm{293}}^1\times {\mathrm{1721}}^1$

素因数の和:2028

約数の個数: 40

約数和(自身を含む): 183775284

約数和(自身を除く): 102086298

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 293, 586, 879, 1721, 1758, 2637, 3442, 5163, 5274, 7911, 10326, 15489, 15822, 23733, 30978, 46467, 47466, 92934, 139401, 278802, 504253, 1008506, 1512759, 3025518, 4538277, 9076554, 13614831, 27229662, 40844493, 81688986]

約数ペア:

[(1, 81688986), (2, 40844493), (3, 27229662), (6, 13614831), (9, 9076554), (18, 4538277), (27, 3025518), (54, 1512759), (81, 1008506), (162, 504253), (293, 278802), (586, 139401), (879, 92934), (1721, 47466), (1758, 46467), (2637, 30978), (3442, 23733), (5163, 15822), (5274, 15489), (7911, 10326)]