87790017

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{5479}}^1$

素因数の和:5605

約数の個数: 24

約数和(自身を含む): 137438400

約数和(自身を除く): 49648383

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 2289, 5341, 5479, 16023, 16437, 38353, 115059, 268471, 597211, 805413, 1791633, 4180477, 12541431, 29263339, 87790017]

約数ペア:

[(1, 87790017), (3, 29263339), (7, 12541431), (21, 4180477), (49, 1791633), (109, 805413), (147, 597211), (327, 268471), (763, 115059), (2289, 38353), (5341, 16437), (5479, 16023)]