139451781

素因数分解:

$3^1\times 7^1\times {\mathrm{1063}}^1\times {\mathrm{6247}}^1$

素因数の和:7320

約数の個数: 16

約数和(自身を含む): 212731904

約数和(自身を除く): 73280123

約数列:

[1, 3, 7, 21, 1063, 3189, 6247, 7441, 18741, 22323, 43729, 131187, 6640561, 19921683, 46483927, 139451781]

約数ペア:

[(1, 139451781), (3, 46483927), (7, 19921683), (21, 6640561), (1063, 131187), (3189, 43729), (6247, 22323), (7441, 18741)]