1647129

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 2626560

約数和(自身を除く): 979431

約数列:

[1, 3, 11, 19, 33, 37, 57, 71, 111, 209, 213, 407, 627, 703, 781, 1221, 1349, 2109, 2343, 2627, 4047, 7733, 7881, 14839, 23199, 28897, 44517, 49913, 86691, 149739, 549043, 1647129]

約数ペア:

[(1, 1647129), (3, 549043), (11, 149739), (19, 86691), (33, 49913), (37, 44517), (57, 28897), (71, 23199), (111, 14839), (209, 7881), (213, 7733), (407, 4047), (627, 2627), (703, 2343), (781, 2109), (1221, 1349)]