408075087

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{21191}}^1$

素因数の和:21339

約数の個数: 24

約数和(自身を含む): 637794432

約数和(自身を除く): 229719345

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 2751, 6419, 19257, 21191, 63573, 148337, 445011, 1038359, 2776021, 3115077, 8328063, 19432147, 58296441, 136025029, 408075087]

約数ペア:

[(1, 408075087), (3, 136025029), (7, 58296441), (21, 19432147), (49, 8328063), (131, 3115077), (147, 2776021), (393, 1038359), (917, 445011), (2751, 148337), (6419, 63573), (19257, 21191)]