81159894

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{3191}}^1$

素因数の和:3362

約数の個数: 40

約数和(自身を含む): 183073968

約数和(自身を除く): 101914074

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 942, 1413, 2826, 3191, 4239, 6382, 8478, 9573, 12717, 19146, 25434, 28719, 57438, 86157, 172314, 258471, 500987, 516942, 1001974, 1502961, 3005922, 4508883, 9017766, 13526649, 27053298, 40579947, 81159894]

約数ペア:

[(1, 81159894), (2, 40579947), (3, 27053298), (6, 13526649), (9, 9017766), (18, 4508883), (27, 3005922), (54, 1502961), (81, 1001974), (157, 516942), (162, 500987), (314, 258471), (471, 172314), (942, 86157), (1413, 57438), (2826, 28719), (3191, 25434), (4239, 19146), (6382, 12717), (8478, 9573)]