66207771

素因数分解:

$3^2\times 7^2\times {\mathrm{150131}}^1$

素因数の和:150151

約数の個数: 18

約数和(自身を含む): 111247812

約数和(自身を除く): 45040041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 150131, 450393, 1050917, 1351179, 3152751, 7356419, 9458253, 22069257, 66207771]

約数ペア:

[(1, 66207771), (3, 22069257), (7, 9458253), (9, 7356419), (21, 3152751), (49, 1351179), (63, 1050917), (147, 450393), (441, 150131)]