20171217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11347503

約数列:

[1, 3, 11, 19, 33, 53, 57, 159, 209, 583, 607, 627, 1007, 1749, 1821, 3021, 6677, 11077, 11533, 20031, 32171, 33231, 34599, 96513, 126863, 353881, 380589, 611249, 1061643, 1833747, 6723739, 20171217]

約数ペア:

[(1, 20171217), (3, 6723739), (11, 1833747), (19, 1061643), (33, 611249), (53, 380589), (57, 353881), (159, 126863), (209, 96513), (583, 34599), (607, 33231), (627, 32171), (1007, 20031), (1749, 11533), (1821, 11077), (3021, 6677)]