1280631

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 1882368

約数和(自身を除く): 601737

約数列:

[1, 3, 11, 33, 151, 257, 453, 771, 1661, 2827, 4983, 8481, 38807, 116421, 426877, 1280631]

約数ペア:

[(1, 1280631), (3, 426877), (11, 116421), (33, 38807), (151, 8481), (257, 4983), (453, 2827), (771, 1661)]