40668639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 61067520

約数和(自身を除く): 20398881

約数列:

[1, 3, 11, 33, 61, 89, 183, 227, 267, 671, 681, 979, 2013, 2497, 2937, 5429, 7491, 13847, 16287, 20203, 41541, 59719, 60609, 152317, 179157, 222233, 456951, 666699, 1232383, 3697149, 13556213, 40668639]

約数ペア:

[(1, 40668639), (3, 13556213), (11, 3697149), (33, 1232383), (61, 666699), (89, 456951), (183, 222233), (227, 179157), (267, 152317), (671, 60609), (681, 59719), (979, 41541), (2013, 20203), (2497, 16287), (2937, 13847), (5429, 7491)]