639431697

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{26633}}^1$

素因数の和:26840

約数の個数: 16

約数和(自身を含む): 874447488

約数和(自身を除く): 235015791

約数列:

[1, 3, 53, 151, 159, 453, 8003, 24009, 26633, 79899, 1411549, 4021583, 4234647, 12064749, 213143899, 639431697]

約数ペア:

[(1, 639431697), (3, 213143899), (53, 12064749), (151, 4234647), (159, 4021583), (453, 1411549), (8003, 79899), (24009, 26633)]