201221037

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{659}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 306662400

約数和(自身を除く): 105441363

約数列:

[1, 3, 9, 27, 43, 129, 263, 387, 659, 789, 1161, 1977, 2367, 5931, 7101, 11309, 17793, 28337, 33927, 85011, 101781, 173317, 255033, 305343, 519951, 765099, 1559853, 4679559, 7452631, 22357893, 67073679, 201221037]

約数ペア:

[(1, 201221037), (3, 67073679), (9, 22357893), (27, 7452631), (43, 4679559), (129, 1559853), (263, 765099), (387, 519951), (659, 305343), (789, 255033), (1161, 173317), (1977, 101781), (2367, 85011), (5931, 33927), (7101, 28337), (11309, 17793)]