11921205

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{827}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 19732896

約数和(自身を除く): 7811691

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 827, 961, 2481, 2883, 4135, 4805, 12405, 14415, 25637, 76911, 128185, 384555, 794747, 2384241, 3973735, 11921205]

約数ペア:

[(1, 11921205), (3, 3973735), (5, 2384241), (15, 794747), (31, 384555), (93, 128185), (155, 76911), (465, 25637), (827, 14415), (961, 12405), (2481, 4805), (2883, 4135)]