28623519

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2293}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 44136560

約数和(自身を除く): 15513041

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 2293, 4161, 6879, 12483, 20637, 43567, 130701, 167389, 392103, 502167, 1506501, 3180391, 9541173, 28623519]

約数ペア:

[(1, 28623519), (3, 9541173), (9, 3180391), (19, 1506501), (57, 502167), (73, 392103), (171, 167389), (219, 130701), (657, 43567), (1387, 20637), (2293, 12483), (4161, 6879)]