16997409

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 29562624

約数和(自身を除く): 12565215

約数列:

[1, 3, 9, 11, 13, 33, 39, 47, 99, 117, 141, 143, 281, 423, 429, 517, 611, 843, 1287, 1551, 1833, 2529, 3091, 3653, 4653, 5499, 6721, 9273, 10959, 13207, 20163, 27819, 32877, 39621, 40183, 60489, 118863, 120549, 145277, 171691, 361647, 435831, 515073, 1307493, 1545219, 1888601, 5665803, 16997409]

約数ペア:

[(1, 16997409), (3, 5665803), (9, 1888601), (11, 1545219), (13, 1307493), (33, 515073), (39, 435831), (47, 361647), (99, 171691), (117, 145277), (141, 120549), (143, 118863), (281, 60489), (423, 40183), (429, 39621), (517, 32877), (611, 27819), (843, 20163), (1287, 13207), (1551, 10959), (1833, 9273), (2529, 6721), (3091, 5499), (3653, 4653)]