20172718989

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{375509}}^1$

素因数の和:375689

約数の個数: 24

約数和(自身を含む): 29992734720

約数和(自身を除く): 9820015731

約数列:

[1, 3, 9, 47, 127, 141, 381, 423, 1143, 5969, 17907, 53721, 375509, 1126527, 3379581, 17648923, 47689643, 52946769, 143068929, 158840307, 429206787, 2241413221, 6724239663, 20172718989]

約数ペア:

[(1, 20172718989), (3, 6724239663), (9, 2241413221), (47, 429206787), (127, 158840307), (141, 143068929), (381, 52946769), (423, 47689643), (1143, 17648923), (5969, 3379581), (17907, 1126527), (53721, 375509)]