27789957

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{449}}^1$

素因数の和:514

約数の個数: 36

約数和(自身を含む): 45290700

約数和(自身を除く): 17500743

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 449, 529, 897, 1347, 1587, 2691, 4041, 4761, 5837, 6877, 10327, 17511, 20631, 30981, 52533, 61893, 92943, 134251, 237521, 402753, 712563, 1208259, 2137689, 3087773, 9263319, 27789957]

約数ペア:

[(1, 27789957), (3, 9263319), (9, 3087773), (13, 2137689), (23, 1208259), (39, 712563), (69, 402753), (117, 237521), (207, 134251), (299, 92943), (449, 61893), (529, 52533), (897, 30981), (1347, 20631), (1587, 17511), (2691, 10327), (4041, 6877), (4761, 5837)]