15693840639

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2728889}}^1$

素因数の和:2728972

約数の個数: 20

約数和(自身を含む): 23774089680

約数和(自身を除く): 8080249041

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 2728889, 8186667, 24560001, 73680003, 193751119, 221040009, 581253357, 1743760071, 5231280213, 15693840639]

約数ペア:

[(1, 15693840639), (3, 5231280213), (9, 1743760071), (27, 581253357), (71, 221040009), (81, 193751119), (213, 73680003), (639, 24560001), (1917, 8186667), (5751, 2728889)]