31980519

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4861}}^1$

素因数の和:4927

約数の個数: 24

約数和(自身を含む): 50059152

約数和(自身を除く): 18078633

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 4861, 6579, 14583, 43749, 82637, 209023, 247911, 627069, 743733, 1881207, 3553391, 10660173, 31980519]

約数ペア:

[(1, 31980519), (3, 10660173), (9, 3553391), (17, 1881207), (43, 743733), (51, 627069), (129, 247911), (153, 209023), (387, 82637), (731, 43749), (2193, 14583), (4861, 6579)]