2780163

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{673}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 4416048

約数和(自身を除く): 1635885

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 673, 1377, 2019, 4131, 6057, 11441, 18171, 34323, 54513, 102969, 163539, 308907, 926721, 2780163]

約数ペア:

[(1, 2780163), (3, 926721), (9, 308907), (17, 163539), (27, 102969), (51, 54513), (81, 34323), (153, 18171), (243, 11441), (459, 6057), (673, 4131), (1377, 2019)]