1237876587

素因数分解:

$3^4\times {\mathrm{2437}}^1\times {\mathrm{6271}}^1$

素因数の和:8720

約数の個数: 20

約数和(自身を含む): 1850227456

約数和(自身を除く): 612350869

約数列:

[1, 3, 9, 27, 81, 2437, 6271, 7311, 18813, 21933, 56439, 65799, 169317, 197397, 507951, 15282427, 45847281, 137541843, 412625529, 1237876587]

約数ペア:

[(1, 1237876587), (3, 412625529), (9, 137541843), (27, 45847281), (81, 15282427), (2437, 507951), (6271, 197397), (7311, 169317), (18813, 65799), (21933, 56439)]