397473657

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 612729600

約数和(自身を除く): 215255943

約数列:

[1, 3, 7, 21, 193, 281, 349, 579, 843, 1047, 1351, 1967, 2443, 4053, 5901, 7329, 54233, 67357, 98069, 162699, 202071, 294207, 379631, 471499, 686483, 1138893, 1414497, 2059449, 18927317, 56781951, 132491219, 397473657]

約数ペア:

[(1, 397473657), (3, 132491219), (7, 56781951), (21, 18927317), (193, 2059449), (281, 1414497), (349, 1138893), (579, 686483), (843, 471499), (1047, 379631), (1351, 294207), (1967, 202071), (2443, 162699), (4053, 98069), (5901, 67357), (7329, 54233)]