31481879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11587}}^1$

素因数の和:11630

約数の個数: 16

約数和(自身を含む): 38935680

約数和(自身を除く): 7453801

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 11587, 127457, 150631, 220153, 1656941, 2421683, 2861989, 31481879]

約数ペア:

[(1, 31481879), (11, 2861989), (13, 2421683), (19, 1656941), (143, 220153), (209, 150631), (247, 127457), (2717, 11587)]