81283338

素因数分解:

$2^1\times 3^4\times {\mathrm{251}}^1\times {\mathrm{1999}}^1$

素因数の和:2264

約数の個数: 40

約数和(自身を含む): 182952000

約数和(自身を除く): 101668662

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 251, 502, 753, 1506, 1999, 2259, 3998, 4518, 5997, 6777, 11994, 13554, 17991, 20331, 35982, 40662, 53973, 107946, 161919, 323838, 501749, 1003498, 1505247, 3010494, 4515741, 9031482, 13547223, 27094446, 40641669, 81283338]

約数ペア:

[(1, 81283338), (2, 40641669), (3, 27094446), (6, 13547223), (9, 9031482), (18, 4515741), (27, 3010494), (54, 1505247), (81, 1003498), (162, 501749), (251, 323838), (502, 161919), (753, 107946), (1506, 53973), (1999, 40662), (2259, 35982), (3998, 20331), (4518, 17991), (5997, 13554), (6777, 11994)]