28212369

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 38257920

約数和(自身を除く): 10045551

約数列:

[1, 3, 107, 179, 321, 491, 537, 1473, 19153, 52537, 57459, 87889, 157611, 263667, 9404123, 28212369]

約数ペア:

[(1, 28212369), (3, 9404123), (107, 263667), (179, 157611), (321, 87889), (491, 57459), (537, 52537), (1473, 19153)]