13987029

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{8431}}^1$

素因数の和:8520

約数の個数: 16

約数和(自身を含む): 21585920

約数和(自身を除く): 7598891

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 8431, 25293, 59017, 177051, 666049, 1998147, 4662343, 13987029]

約数ペア:

[(1, 13987029), (3, 4662343), (7, 1998147), (21, 666049), (79, 177051), (237, 59017), (553, 25293), (1659, 8431)]