81605961

素因数分解:

$3^5\times {\mathrm{499}}^1\times {\mathrm{673}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 122668000

約数和(自身を除く): 41062039

約数列:

[1, 3, 9, 27, 81, 243, 499, 673, 1497, 2019, 4491, 6057, 13473, 18171, 40419, 54513, 121257, 163539, 335827, 1007481, 3022443, 9067329, 27201987, 81605961]

約数ペア:

[(1, 81605961), (3, 27201987), (9, 9067329), (27, 3022443), (81, 1007481), (243, 335827), (499, 163539), (673, 121257), (1497, 54513), (2019, 40419), (4491, 18171), (6057, 13473)]