138480921

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{8951}}^1$

素因数の和:9154

約数の個数: 20

約数和(自身を含む): 207972864

約数和(自身を除く): 69491943

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 5157, 8951, 15471, 26853, 80559, 241677, 725031, 1709641, 5128923, 15386769, 46160307, 138480921]

約数ペア:

[(1, 138480921), (3, 46160307), (9, 15386769), (27, 5128923), (81, 1709641), (191, 725031), (573, 241677), (1719, 80559), (5157, 26853), (8951, 15471)]