2179177

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 2987712

約数和(自身を除く): 808535

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 311, 539, 637, 1001, 2177, 3421, 4043, 7007, 15239, 23947, 28301, 44473, 167629, 198107, 311311, 2179177]

約数ペア:

[(1, 2179177), (7, 311311), (11, 198107), (13, 167629), (49, 44473), (77, 28301), (91, 23947), (143, 15239), (311, 7007), (539, 4043), (637, 3421), (1001, 2177)]