81267306

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{661}}^2$

素因数の和:1358

約数の個数: 24

約数和(自身を含む): 168031872

約数和(自身を除く): 86764566

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 661, 1322, 1983, 3966, 20491, 40982, 61473, 122946, 436921, 873842, 1310763, 2621526, 13544551, 27089102, 40633653, 81267306]

約数ペア:

[(1, 81267306), (2, 40633653), (3, 27089102), (6, 13544551), (31, 2621526), (62, 1310763), (93, 873842), (186, 436921), (661, 122946), (1322, 61473), (1983, 40982), (3966, 20491)]