25781085

素因数分解:

$3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:677

約数の個数: 56

約数和(自身を含む): 50680224

約数和(自身を除く): 24899139

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 643, 729, 891, 1215, 1485, 1929, 2673, 3215, 3645, 4455, 5787, 7073, 8019, 9645, 13365, 17361, 21219, 28935, 35365, 40095, 52083, 63657, 86805, 106095, 156249, 190971, 260415, 318285, 468747, 572913, 781245, 954855, 1718739, 2343735, 2864565, 5156217, 8593695, 25781085]

約数ペア:

[(1, 25781085), (3, 8593695), (5, 5156217), (9, 2864565), (11, 2343735), (15, 1718739), (27, 954855), (33, 781245), (45, 572913), (55, 468747), (81, 318285), (99, 260415), (135, 190971), (165, 156249), (243, 106095), (297, 86805), (405, 63657), (495, 52083), (643, 40095), (729, 35365), (891, 28935), (1215, 21219), (1485, 17361), (1929, 13365), (2673, 9645), (3215, 8019), (3645, 7073), (4455, 5787)]