66954321

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{18013}}^1$

素因数の和:18085

約数の個数: 24

約数和(自身を含む): 112407360

約数和(自身を除く): 45453039

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 18013, 54039, 126091, 162117, 378273, 1062767, 1134819, 3188301, 7439369, 9564903, 22318107, 66954321]

約数ペア:

[(1, 66954321), (3, 22318107), (7, 9564903), (9, 7439369), (21, 3188301), (59, 1134819), (63, 1062767), (177, 378273), (413, 162117), (531, 126091), (1239, 54039), (3717, 18013)]