1681989

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 2334720

約数和(自身を除く): 652731

約数列:

[1, 3, 47, 79, 141, 151, 237, 453, 3713, 7097, 11139, 11929, 21291, 35787, 560663, 1681989]

約数ペア:

[(1, 1681989), (3, 560663), (47, 35787), (79, 21291), (141, 11929), (151, 11139), (237, 7097), (453, 3713)]