81988191

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{5927}}^1$

素因数の和:6015

約数の個数: 24

約数和(自身を含む): 124843680

約数和(自身を除く): 42855489

約数列:

[1, 3, 9, 29, 53, 87, 159, 261, 477, 1537, 4611, 5927, 13833, 17781, 53343, 171883, 314131, 515649, 942393, 1546947, 2827179, 9109799, 27329397, 81988191]

約数ペア:

[(1, 81988191), (3, 27329397), (9, 9109799), (29, 2827179), (53, 1546947), (87, 942393), (159, 515649), (261, 314131), (477, 171883), (1537, 53343), (4611, 17781), (5927, 13833)]