205809345

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{653363}}^1$

素因数の和:653381

約数の個数: 24

約数和(自身を含む): 407699136

約数和(自身を除く): 201889791

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 653363, 1960089, 3266815, 4573541, 5880267, 9800445, 13720623, 22867705, 29401335, 41161869, 68603115, 205809345]

約数ペア:

[(1, 205809345), (3, 68603115), (5, 41161869), (7, 29401335), (9, 22867705), (15, 13720623), (21, 9800445), (35, 5880267), (45, 4573541), (63, 3266815), (105, 1960089), (315, 653363)]