3978889203

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{18680231}}^1$

素因数の和:18680305

約数の個数: 8

約数和(自身を含む): 5379906816

約数和(自身を除く): 1401017613

約数列:

[1, 3, 71, 213, 18680231, 56040693, 1326296401, 3978889203]

約数ペア:

[(1, 3978889203), (3, 1326296401), (71, 56040693), (213, 18680231)]