27980103

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13267}}^1$

素因数の和:13326

約数の個数: 16

約数和(自身を含む): 40334720

約数和(自身を除く): 12354617

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 13267, 39801, 252073, 490879, 756219, 1472637, 9326701, 27980103]

約数ペア:

[(1, 27980103), (3, 9326701), (19, 1472637), (37, 756219), (57, 490879), (111, 252073), (703, 39801), (2109, 13267)]