2405721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1097}}^1$

素因数の和:1160

約数の個数: 16

約数和(自身を含む): 3478464

約数和(自身を除く): 1072743

約数列:

[1, 3, 17, 43, 51, 129, 731, 1097, 2193, 3291, 18649, 47171, 55947, 141513, 801907, 2405721]

約数ペア:

[(1, 2405721), (3, 801907), (17, 141513), (43, 55947), (51, 47171), (129, 18649), (731, 3291), (1097, 2193)]