81621798

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{289439}}^1$

素因数の和:289491

約数の個数: 16

約数和(自身を含む): 166717440

約数和(自身を除く): 85095642

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 289439, 578878, 868317, 1736634, 13603633, 27207266, 40810899, 81621798]

約数ペア:

[(1, 81621798), (2, 40810899), (3, 27207266), (6, 13603633), (47, 1736634), (94, 868317), (141, 578878), (282, 289439)]