67878639

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{4079}}^1$

素因数の和:4171

約数の個数: 18

約数和(自身を含む): 100404720

約数和(自身を除く): 32526081

約数列:

[1, 3, 9, 43, 129, 387, 1849, 4079, 5547, 12237, 16641, 36711, 175397, 526191, 1578573, 7542071, 22626213, 67878639]

約数ペア:

[(1, 67878639), (3, 22626213), (9, 7542071), (43, 1578573), (129, 526191), (387, 175397), (1849, 36711), (4079, 16641), (5547, 12237)]