189901917

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{12289}}^1$

素因数の和:12413

約数の個数: 24

約数和(自身を含む): 293337720

約数和(自身を除く): 103435803

約数列:

[1, 3, 9, 17, 51, 101, 153, 303, 909, 1717, 5151, 12289, 15453, 36867, 110601, 208913, 626739, 1241189, 1880217, 3723567, 11170701, 21100213, 63300639, 189901917]

約数ペア:

[(1, 189901917), (3, 63300639), (9, 21100213), (17, 11170701), (51, 3723567), (101, 1880217), (153, 1241189), (303, 626739), (909, 208913), (1717, 110601), (5151, 36867), (12289, 15453)]