68165811

素因数分解:

$3^2\times 7^2\times {\mathrm{154571}}^1$

素因数の和:154591

約数の個数: 18

約数和(自身を含む): 114537852

約数和(自身を除く): 46372041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 154571, 463713, 1081997, 1391139, 3245991, 7573979, 9737973, 22721937, 68165811]

約数ペア:

[(1, 68165811), (3, 22721937), (7, 9737973), (9, 7573979), (21, 3245991), (49, 1391139), (63, 1081997), (147, 463713), (441, 154571)]