66909745

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{6661}}^1$

素因数の和:6721

約数の個数: 24

約数和(自身を含む): 95692968

約数和(自身を除く): 28783223

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009, 6661, 10045, 33305, 46627, 233135, 273101, 326389, 1365505, 1631945, 1911707, 9558535, 13381949, 66909745]

約数ペア:

[(1, 66909745), (5, 13381949), (7, 9558535), (35, 1911707), (41, 1631945), (49, 1365505), (205, 326389), (245, 273101), (287, 233135), (1435, 46627), (2009, 33305), (6661, 10045)]