389664945

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 717050880

約数和(自身を除く): 327385935

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 181, 185, 333, 431, 543, 555, 905, 999, 1293, 1629, 1665, 2155, 2715, 3879, 4887, 4995, 6465, 6697, 8145, 11637, 15947, 19395, 20091, 24435, 33485, 47841, 58185, 60273, 78011, 79735, 100455, 143523, 180819, 234033, 239205, 301365, 390055, 430569, 702099, 717615, 904095, 1170165, 2106297, 2152845, 2886407, 3510495, 8659221, 10531485, 14432035, 25977663, 43296105, 77932989, 129888315, 389664945]

約数ペア:

[(1, 389664945), (3, 129888315), (5, 77932989), (9, 43296105), (15, 25977663), (27, 14432035), (37, 10531485), (45, 8659221), (111, 3510495), (135, 2886407), (181, 2152845), (185, 2106297), (333, 1170165), (431, 904095), (543, 717615), (555, 702099), (905, 430569), (999, 390055), (1293, 301365), (1629, 239205), (1665, 234033), (2155, 180819), (2715, 143523), (3879, 100455), (4887, 79735), (4995, 78011), (6465, 60273), (6697, 58185), (8145, 47841), (11637, 33485), (15947, 24435), (19395, 20091)]