80305209

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{263}}^2$

素因数の和:578

約数の個数: 24

約数和(自身を含む): 122202080

約数和(自身を除く): 41896871

約数列:

[1, 3, 9, 27, 43, 129, 263, 387, 789, 1161, 2367, 7101, 11309, 33927, 69169, 101781, 207507, 305343, 622521, 1867563, 2974267, 8922801, 26768403, 80305209]

約数ペア:

[(1, 80305209), (3, 26768403), (9, 8922801), (27, 2974267), (43, 1867563), (129, 622521), (263, 305343), (387, 207507), (789, 101781), (1161, 69169), (2367, 33927), (7101, 11309)]