220939977

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{10909}}^1$

素因数の和:11112

約数の個数: 16

約数和(自身を含む): 303385280

約数和(自身を除く): 82445303

約数列:

[1, 3, 43, 129, 157, 471, 6751, 10909, 20253, 32727, 469087, 1407261, 1712713, 5138139, 73646659, 220939977]

約数ペア:

[(1, 220939977), (3, 73646659), (43, 5138139), (129, 1712713), (157, 1407261), (471, 469087), (6751, 32727), (10909, 20253)]