490261311

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{26227}}^1$

素因数の和:26331

約数の個数: 24

約数和(自身を含む): 741937664

約数和(自身を除く): 251676353

約数列:

[1, 3, 9, 31, 67, 93, 201, 279, 603, 2077, 6231, 18693, 26227, 78681, 236043, 813037, 1757209, 2439111, 5271627, 7317333, 15814881, 54473479, 163420437, 490261311]

約数ペア:

[(1, 490261311), (3, 163420437), (9, 54473479), (31, 15814881), (67, 7317333), (93, 5271627), (201, 2439111), (279, 1757209), (603, 813037), (2077, 236043), (6231, 78681), (18693, 26227)]