81531294

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1045273}}^1$

素因数の和:1045291

約数の個数: 16

約数和(自身を含む): 175606032

約数和(自身を除く): 94074738

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1045273, 2090546, 3135819, 6271638, 13588549, 27177098, 40765647, 81531294]

約数ペア:

[(1, 81531294), (2, 40765647), (3, 27177098), (6, 13588549), (13, 6271638), (26, 3135819), (39, 2090546), (78, 1045273)]