79980939

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{26687}}^1$

素因数の和:26736

約数の個数: 20

約数和(自身を含む): 122711424

約数和(自身を除く): 42730485

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 26687, 80061, 240183, 720549, 987419, 2161647, 2962257, 8886771, 26660313, 79980939]

約数ペア:

[(1, 79980939), (3, 26660313), (9, 8886771), (27, 2962257), (37, 2161647), (81, 987419), (111, 720549), (333, 240183), (999, 80061), (2997, 26687)]