642334287

素因数分解:

$3^1\times 7^2\times {\mathrm{577}}^1\times {\mathrm{7573}}^1$

素因数の和:8167

約数の個数: 24

約数和(自身を含む): 998132016

約数和(自身を除く): 355797729

約数列:

[1, 3, 7, 21, 49, 147, 577, 1731, 4039, 7573, 12117, 22719, 28273, 53011, 84819, 159033, 371077, 1113231, 4369621, 13108863, 30587347, 91762041, 214111429, 642334287]

約数ペア:

[(1, 642334287), (3, 214111429), (7, 91762041), (21, 30587347), (49, 13108863), (147, 4369621), (577, 1113231), (1731, 371077), (4039, 159033), (7573, 84819), (12117, 53011), (22719, 28273)]