27720797481

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{138799}}^1$

素因数の和:139390

約数の個数: 32

約数和(自身を含む): 44304960000

約数和(自身を除く): 16584162519

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 569, 1707, 5121, 7397, 15363, 22191, 66573, 138799, 199719, 416397, 1249191, 1804387, 3747573, 5413161, 16239483, 48718449, 78976631, 236929893, 710789679, 1026696203, 2132369037, 3080088609, 9240265827, 27720797481]

約数ペア:

[(1, 27720797481), (3, 9240265827), (9, 3080088609), (13, 2132369037), (27, 1026696203), (39, 710789679), (117, 236929893), (351, 78976631), (569, 48718449), (1707, 16239483), (5121, 5413161), (7397, 3747573), (15363, 1804387), (22191, 1249191), (66573, 416397), (138799, 199719)]