81781386

素因数分解:

$2^1\times 3^1\times {\mathrm{631}}^1\times {\mathrm{21601}}^1$

素因数の和:22237

約数の個数: 16

約数和(自身を含む): 163829568

約数和(自身を除く): 82048182

約数列:

[1, 2, 3, 6, 631, 1262, 1893, 3786, 21601, 43202, 64803, 129606, 13630231, 27260462, 40890693, 81781386]

約数ペア:

[(1, 81781386), (2, 40890693), (3, 27260462), (6, 13630231), (631, 129606), (1262, 64803), (1893, 43202), (3786, 21601)]