8780925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 15748992

約数和(自身を除く): 6968067

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 97, 213, 255, 291, 355, 425, 485, 1065, 1207, 1275, 1455, 1649, 1775, 2425, 3621, 4947, 5325, 6035, 6887, 7275, 8245, 18105, 20661, 24735, 30175, 34435, 41225, 90525, 103305, 117079, 123675, 172175, 351237, 516525, 585395, 1756185, 2926975, 8780925]

約数ペア:

[(1, 8780925), (3, 2926975), (5, 1756185), (15, 585395), (17, 516525), (25, 351237), (51, 172175), (71, 123675), (75, 117079), (85, 103305), (97, 90525), (213, 41225), (255, 34435), (291, 30175), (355, 24735), (425, 20661), (485, 18105), (1065, 8245), (1207, 7275), (1275, 6887), (1455, 6035), (1649, 5325), (1775, 4947), (2425, 3621)]