66289419

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2143}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 109704192

約数和(自身を除く): 43414773

約数列:

[1, 3, 7, 9, 21, 63, 491, 1473, 2143, 3437, 4419, 6429, 10311, 15001, 19287, 30933, 45003, 135009, 1052213, 3156639, 7365491, 9469917, 22096473, 66289419]

約数ペア:

[(1, 66289419), (3, 22096473), (7, 9469917), (9, 7365491), (21, 3156639), (63, 1052213), (491, 135009), (1473, 45003), (2143, 30933), (3437, 19287), (4419, 15001), (6429, 10311)]