388640955

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{6581}}^1$

素因数の和:6747

約数の個数: 32

約数和(自身を含む): 647036928

約数和(自身を除く): 258395973

約数列:

[1, 3, 5, 15, 31, 93, 127, 155, 381, 465, 635, 1905, 3937, 6581, 11811, 19685, 19743, 32905, 59055, 98715, 204011, 612033, 835787, 1020055, 2507361, 3060165, 4178935, 12536805, 25909397, 77728191, 129546985, 388640955]

約数ペア:

[(1, 388640955), (3, 129546985), (5, 77728191), (15, 25909397), (31, 12536805), (93, 4178935), (127, 3060165), (155, 2507361), (381, 1020055), (465, 835787), (635, 612033), (1905, 204011), (3937, 98715), (6581, 59055), (11811, 32905), (19685, 19743)]