28710227

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{3467}}^1$

素因数の和:3507

約数の個数: 18

約数和(自身を含む): 36174708

約数和(自身を除く): 7464481

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 3467, 8281, 24269, 45071, 169883, 315497, 585923, 2208479, 4101461, 28710227]

約数ペア:

[(1, 28710227), (7, 4101461), (13, 2208479), (49, 585923), (91, 315497), (169, 169883), (637, 45071), (1183, 24269), (3467, 8281)]