17980967511

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{2203}}^1\times {\mathrm{69761}}^1$

素因数の和:71983

約数の個数: 24

約数和(自身を含む): 27983491536

約数和(自身を除く): 10002524025

約数列:

[1, 3, 9, 13, 39, 117, 2203, 6609, 19827, 28639, 69761, 85917, 209283, 257751, 627849, 906893, 2720679, 8162037, 153683483, 461050449, 1383151347, 1997885279, 5993655837, 17980967511]

約数ペア:

[(1, 17980967511), (3, 5993655837), (9, 1997885279), (13, 1383151347), (39, 461050449), (117, 153683483), (2203, 8162037), (6609, 2720679), (19827, 906893), (28639, 627849), (69761, 257751), (85917, 209283)]