66489129

素因数分解:

$3^2\times 7^2\times {\mathrm{150769}}^1$

素因数の和:150789

約数の個数: 18

約数和(自身を含む): 111720570

約数和(自身を除く): 45231441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 150769, 452307, 1055383, 1356921, 3166149, 7387681, 9498447, 22163043, 66489129]

約数ペア:

[(1, 66489129), (3, 22163043), (7, 9498447), (9, 7387681), (21, 3166149), (49, 1356921), (63, 1055383), (147, 452307), (441, 150769)]