381049921

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{409291}}^1$

素因数の和:409324

約数の個数: 12

約数和(自身を含む): 466592880

約数和(自身を除く): 85542959

約数列:

[1, 7, 19, 49, 133, 931, 409291, 2865037, 7776529, 20055259, 54435703, 381049921]

約数ペア:

[(1, 381049921), (7, 54435703), (19, 20055259), (49, 7776529), (133, 2865037), (931, 409291)]