221390718

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{290539}}^1$

素因数の和:290671

約数の個数: 16

約数和(自身を含む): 446269440

約数和(自身を除く): 224878722

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 290539, 581078, 871617, 1743234, 36898453, 73796906, 110695359, 221390718]

約数ペア:

[(1, 221390718), (2, 110695359), (3, 73796906), (6, 36898453), (127, 1743234), (254, 871617), (381, 581078), (762, 290539)]