81293961

素因数分解:

$3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{9239}}^1$

素因数の和:9668

約数の個数: 16

約数和(自身を含む): 124185600

約数和(自身を除く): 42891639

約数列:

[1, 3, 7, 21, 419, 1257, 2933, 8799, 9239, 27717, 64673, 194019, 3871141, 11613423, 27097987, 81293961]

約数ペア:

[(1, 81293961), (3, 27097987), (7, 11613423), (21, 3871141), (419, 194019), (1257, 64673), (2933, 27717), (8799, 9239)]