7998021

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{337}}^1$

素因数の和:642

約数の個数: 20

約数和(自身を含む): 12024012

約数和(自身を除く): 4025991

約数列:

[1, 3, 9, 27, 81, 293, 337, 879, 1011, 2637, 3033, 7911, 9099, 23733, 27297, 98741, 296223, 888669, 2666007, 7998021]

約数ペア:

[(1, 7998021), (3, 2666007), (9, 888669), (27, 296223), (81, 98741), (293, 27297), (337, 23733), (879, 9099), (1011, 7911), (2637, 3033)]