71877627

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{22123}}^1$

素因数の和:22167

約数の個数: 18

約数和(自身を含む): 109580172

約数和(自身を除く): 37702545

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 22123, 66369, 199107, 420337, 1261011, 3783033, 7986403, 23959209, 71877627]

約数ペア:

[(1, 71877627), (3, 23959209), (9, 7986403), (19, 3783033), (57, 1261011), (171, 420337), (361, 199107), (1083, 66369), (3249, 22123)]