331320438

素因数分解:

$2^1\times 3^2\times {\mathrm{18406691}}^1$

素因数の和:18406699

約数の個数: 12

約数和(自身を含む): 717860988

約数和(自身を除く): 386540550

約数列:

[1, 2, 3, 6, 9, 18, 18406691, 36813382, 55220073, 110440146, 165660219, 331320438]

約数ペア:

[(1, 331320438), (2, 165660219), (3, 110440146), (6, 55220073), (9, 36813382), (18, 18406691)]