821934693

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{20789}}^1$

素因数の和:21009

約数の個数: 24

約数和(自身を含む): 1245404160

約数和(自身を除く): 423469467

約数列:

[1, 3, 9, 23, 69, 191, 207, 573, 1719, 4393, 13179, 20789, 39537, 62367, 187101, 478147, 1434441, 3970699, 4303323, 11912097, 35736291, 91326077, 273978231, 821934693]

約数ペア:

[(1, 821934693), (3, 273978231), (9, 91326077), (23, 35736291), (69, 11912097), (191, 4303323), (207, 3970699), (573, 1434441), (1719, 478147), (4393, 187101), (13179, 62367), (20789, 39537)]