13666719

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 7622241

約数列:

[1, 3, 11, 19, 33, 57, 71, 209, 213, 307, 627, 781, 921, 1349, 2343, 3377, 4047, 5833, 10131, 14839, 17499, 21797, 44517, 64163, 65391, 192489, 239767, 414143, 719301, 1242429, 4555573, 13666719]

約数ペア:

[(1, 13666719), (3, 4555573), (11, 1242429), (19, 719301), (33, 414143), (57, 239767), (71, 192489), (209, 65391), (213, 64163), (307, 44517), (627, 21797), (781, 17499), (921, 14839), (1349, 10131), (2343, 5833), (3377, 4047)]