199894617

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{2081}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 311475528

約数和(自身を除く): 111580911

約数列:

[1, 3, 9, 13, 39, 117, 821, 2081, 2463, 6243, 7389, 10673, 18729, 27053, 32019, 81159, 96057, 243477, 1708501, 5125503, 15376509, 22210513, 66631539, 199894617]

約数ペア:

[(1, 199894617), (3, 66631539), (9, 22210513), (13, 15376509), (39, 5125503), (117, 1708501), (821, 243477), (2081, 96057), (2463, 81159), (6243, 32019), (7389, 27053), (10673, 18729)]