128561361

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{1877}}^1$

素因数の和:1993

約数の個数: 24

約数和(自身を含む): 184494720

約数和(自身を除く): 55933359

約数列:

[1, 3, 17, 51, 79, 237, 289, 867, 1343, 1877, 4029, 5631, 22831, 31909, 68493, 95727, 148283, 444849, 542453, 1627359, 2520811, 7562433, 42853787, 128561361]

約数ペア:

[(1, 128561361), (3, 42853787), (17, 7562433), (51, 2520811), (79, 1627359), (237, 542453), (289, 444849), (867, 148283), (1343, 95727), (1877, 68493), (4029, 31909), (5631, 22831)]