28447785

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3209}}^1$

素因数の和:3417

約数の個数: 24

約数和(自身を含む): 49575240

約数和(自身を除く): 21127455

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 3209, 8865, 9627, 16045, 28881, 48135, 144405, 632173, 1896519, 3160865, 5689557, 9482595, 28447785]

約数ペア:

[(1, 28447785), (3, 9482595), (5, 5689557), (9, 3160865), (15, 1896519), (45, 632173), (197, 144405), (591, 48135), (985, 28881), (1773, 16045), (2955, 9627), (3209, 8865)]