81702907

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{30071}}^1$

素因数の和:30114

約数の個数: 16

約数和(自身を含む): 101041920

約数和(自身を除く): 19339013

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 30071, 330781, 390923, 571349, 4300153, 6284839, 7427537, 81702907]

約数ペア:

[(1, 81702907), (11, 7427537), (13, 6284839), (19, 4300153), (143, 571349), (209, 390923), (247, 330781), (2717, 30071)]