28139595

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 49420800

約数和(自身を除く): 21281205

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 199, 597, 857, 995, 2189, 2571, 2985, 4285, 6567, 9427, 10945, 12855, 28281, 32835, 47135, 141405, 170543, 511629, 852715, 1875973, 2558145, 5627919, 9379865, 28139595]

約数ペア:

[(1, 28139595), (3, 9379865), (5, 5627919), (11, 2558145), (15, 1875973), (33, 852715), (55, 511629), (165, 170543), (199, 141405), (597, 47135), (857, 32835), (995, 28281), (2189, 12855), (2571, 10945), (2985, 9427), (4285, 6567)]