28656459

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{463}}^1$

素因数の和:528

約数の個数: 36

約数和(自身を含む): 46699744

約数和(自身を除く): 18043285

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 463, 529, 897, 1389, 1587, 2691, 4167, 4761, 6019, 6877, 10649, 18057, 20631, 31947, 54171, 61893, 95841, 138437, 244927, 415311, 734781, 1245933, 2204343, 3184051, 9552153, 28656459]

約数ペア:

[(1, 28656459), (3, 9552153), (9, 3184051), (13, 2204343), (23, 1245933), (39, 734781), (69, 415311), (117, 244927), (207, 138437), (299, 95841), (463, 61893), (529, 54171), (897, 31947), (1389, 20631), (1587, 18057), (2691, 10649), (4167, 6877), (4761, 6019)]