291237120027

素因数分解:

$3^3\times 7^1\times {\mathrm{1540937143}}^1$

素因数の和:1540937159

約数の個数: 16

約数和(自身を含む): 493099886080

約数和(自身を除く): 201862766053

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1540937143, 4622811429, 10786560001, 13868434287, 32359680003, 41605302861, 97079040009, 291237120027]

約数ペア:

[(1, 291237120027), (3, 97079040009), (7, 41605302861), (9, 32359680003), (21, 13868434287), (27, 10786560001), (63, 4622811429), (189, 1540937143)]