81789471

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{7841}}^1$

素因数の和:7927

約数の個数: 24

約数和(自身を含む): 126413040

約数和(自身を除く): 44623569

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 3477, 7841, 10431, 23523, 70569, 148979, 446937, 478301, 1340811, 1434903, 4304709, 9087719, 27263157, 81789471]

約数ペア:

[(1, 81789471), (3, 27263157), (9, 9087719), (19, 4304709), (57, 1434903), (61, 1340811), (171, 478301), (183, 446937), (549, 148979), (1159, 70569), (3477, 23523), (7841, 10431)]