1291222947

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{40639}}^1$

素因数の和:40755

約数の個数: 32

約数和(自身を含む): 2106777600

約数和(自身を除く): 815554653

約数列:

[1, 3, 7, 17, 21, 51, 89, 119, 267, 357, 623, 1513, 1869, 4539, 10591, 31773, 40639, 121917, 284473, 690863, 853419, 2072589, 3616871, 4836041, 10850613, 14508123, 25318097, 61486807, 75954291, 184460421, 430407649, 1291222947]

約数ペア:

[(1, 1291222947), (3, 430407649), (7, 184460421), (17, 75954291), (21, 61486807), (51, 25318097), (89, 14508123), (119, 10850613), (267, 4836041), (357, 3616871), (623, 2072589), (1513, 853419), (1869, 690863), (4539, 284473), (10591, 121917), (31773, 40639)]