79869969

素因数分解:

$3^6\times {\mathrm{331}}^2$

素因数の和:680

約数の個数: 21

約数和(自身を含む): 120113049

約数和(自身を除く): 40243080

約数列:

[1, 3, 9, 27, 81, 243, 331, 729, 993, 2979, 8937, 26811, 80433, 109561, 241299, 328683, 986049, 2958147, 8874441, 26623323, 79869969]

約数ペア:

[(1, 79869969), (3, 26623323), (9, 8874441), (27, 2958147), (81, 986049), (243, 328683), (331, 241299), (729, 109561), (993, 80433), (2979, 26811)]