81448278

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{315691}}^1$

素因数の和:315739

約数の個数: 16

約数和(自身を含む): 166685376

約数和(自身を除く): 85237098

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 315691, 631382, 947073, 1894146, 13574713, 27149426, 40724139, 81448278]

約数ペア:

[(1, 81448278), (2, 40724139), (3, 27149426), (6, 13574713), (43, 1894146), (86, 947073), (129, 631382), (258, 315691)]