208037655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15359}}^1$

素因数の和:15420

約数の個数: 48

約数和(自身を含む): 421724160

約数和(自身を除く): 213686505

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2709, 4515, 13545, 15359, 46077, 76795, 107513, 138231, 230385, 322539, 537565, 660437, 691155, 967617, 1612695, 1981311, 3302185, 4623059, 4838085, 5943933, 9906555, 13869177, 23115295, 29719665, 41607531, 69345885, 208037655]

約数ペア:

[(1, 208037655), (3, 69345885), (5, 41607531), (7, 29719665), (9, 23115295), (15, 13869177), (21, 9906555), (35, 5943933), (43, 4838085), (45, 4623059), (63, 3302185), (105, 1981311), (129, 1612695), (215, 967617), (301, 691155), (315, 660437), (387, 537565), (645, 322539), (903, 230385), (1505, 138231), (1935, 107513), (2709, 76795), (4515, 46077), (13545, 15359)]