131490009

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{28591}}^1$

素因数の和:28677

約数の個数: 24

約数和(自身を含む): 220044032

約数和(自身を除く): 88554023

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 28591, 85773, 200137, 257319, 600411, 1801233, 2087143, 6261429, 14610001, 18784287, 43830003, 131490009]

約数ペア:

[(1, 131490009), (3, 43830003), (7, 18784287), (9, 14610001), (21, 6261429), (63, 2087143), (73, 1801233), (219, 600411), (511, 257319), (657, 200137), (1533, 85773), (4599, 28591)]