2017841217

素因数分解:

$3^1\times 7^4\times {\mathrm{280139}}^1$

素因数の和:280170

約数の個数: 20

約数和(自身を含む): 3138688560

約数和(自身を除く): 1120847343

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 280139, 840417, 1960973, 5882919, 13726811, 41180433, 96087677, 288263031, 672613739, 2017841217]

約数ペア:

[(1, 2017841217), (3, 672613739), (7, 288263031), (21, 96087677), (49, 41180433), (147, 13726811), (343, 5882919), (1029, 1960973), (2401, 840417), (7203, 280139)]