25857975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2411}}^1$

素因数の和:2448

約数の個数: 48

約数和(自身を含む): 50246784

約数和(自身を除く): 24388809

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 2411, 3575, 7233, 10725, 12055, 26521, 31343, 36165, 60275, 79563, 94029, 132605, 156715, 180825, 344773, 397815, 470145, 663025, 783575, 1034319, 1723865, 1989075, 2350725, 5171595, 8619325, 25857975]

約数ペア:

[(1, 25857975), (3, 8619325), (5, 5171595), (11, 2350725), (13, 1989075), (15, 1723865), (25, 1034319), (33, 783575), (39, 663025), (55, 470145), (65, 397815), (75, 344773), (143, 180825), (165, 156715), (195, 132605), (275, 94029), (325, 79563), (429, 60275), (715, 36165), (825, 31343), (975, 26521), (2145, 12055), (2411, 10725), (3575, 7233)]