1020519

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:348

約数の個数: 20

約数和(自身を含む): 1565256

約数和(自身を除く): 544737

約数列:

[1, 3, 9, 27, 43, 81, 129, 293, 387, 879, 1161, 2637, 3483, 7911, 12599, 23733, 37797, 113391, 340173, 1020519]

約数ペア:

[(1, 1020519), (3, 340173), (9, 113391), (27, 37797), (43, 23733), (81, 12599), (129, 7911), (293, 3483), (387, 2637), (879, 1161)]