347819913

素因数分解:

$3^4\times 7^1\times {\mathrm{613439}}^1$

素因数の和:613458

約数の個数: 20

約数和(自身を含む): 593809920

約数和(自身を除く): 245990007

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 613439, 1840317, 4294073, 5520951, 12882219, 16562853, 38646657, 49688559, 115939971, 347819913]

約数ペア:

[(1, 347819913), (3, 115939971), (7, 49688559), (9, 38646657), (21, 16562853), (27, 12882219), (63, 5520951), (81, 4294073), (189, 1840317), (567, 613439)]