13440427

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 18708480

約数和(自身を除く): 5268053

約数列:

[1, 7, 11, 13, 29, 77, 91, 143, 203, 319, 377, 463, 1001, 2233, 2639, 3241, 4147, 5093, 6019, 13427, 29029, 35651, 42133, 66209, 93989, 147697, 174551, 463463, 1033879, 1221857, 1920061, 13440427]

約数ペア:

[(1, 13440427), (7, 1920061), (11, 1221857), (13, 1033879), (29, 463463), (77, 174551), (91, 147697), (143, 93989), (203, 66209), (319, 42133), (377, 35651), (463, 29029), (1001, 13427), (2233, 6019), (2639, 5093), (3241, 4147)]