64584009

素因数分解:

$3^2\times 7^2\times {\mathrm{146449}}^1$

素因数の和:146469

約数の個数: 18

約数和(自身を含む): 108519450

約数和(自身を除く): 43935441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 146449, 439347, 1025143, 1318041, 3075429, 7176001, 9226287, 21528003, 64584009]

約数ペア:

[(1, 64584009), (3, 21528003), (7, 9226287), (9, 7176001), (21, 3075429), (49, 1318041), (63, 1025143), (147, 439347), (441, 146449)]