213281159

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{1061}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 268456608

約数和(自身を除く): 55175449

約数列:

[1, 7, 13, 47, 91, 329, 611, 1061, 2209, 4277, 7427, 13793, 15463, 28717, 49867, 96551, 201019, 349069, 648271, 2343749, 4537897, 16406243, 30468737, 213281159]

約数ペア:

[(1, 213281159), (7, 30468737), (13, 16406243), (47, 4537897), (91, 2343749), (329, 648271), (611, 349069), (1061, 201019), (2209, 96551), (4277, 49867), (7427, 28717), (13793, 15463)]