821242079

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{25031}}^1$

素因数の和:25190

約数の個数: 16

約数和(自身を含む): 969239040

約数和(自身を除く): 147996961

約数列:

[1, 7, 43, 109, 301, 763, 4687, 25031, 32809, 175217, 1076333, 2728379, 7534331, 19098653, 117320297, 821242079]

約数ペア:

[(1, 821242079), (7, 117320297), (43, 19098653), (109, 7534331), (301, 2728379), (763, 1076333), (4687, 175217), (25031, 32809)]