51817581

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2273}}^1$

素因数の和:2445

約数の個数: 24

約数和(自身を含む): 79817400

約数和(自身を除く): 27999819

約数列:

[1, 3, 9, 17, 51, 149, 153, 447, 1341, 2273, 2533, 6819, 7599, 20457, 22797, 38641, 115923, 338677, 347769, 1016031, 3048093, 5757509, 17272527, 51817581]

約数ペア:

[(1, 51817581), (3, 17272527), (9, 5757509), (17, 3048093), (51, 1016031), (149, 347769), (153, 338677), (447, 115923), (1341, 38641), (2273, 22797), (2533, 20457), (6819, 7599)]