28123007

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 31739904

約数和(自身を除く): 3616897

約数列:

[1, 11, 41, 127, 451, 491, 1397, 5207, 5401, 20131, 57277, 62357, 221441, 685927, 2556637, 28123007]

約数ペア:

[(1, 28123007), (11, 2556637), (41, 685927), (127, 221441), (451, 62357), (491, 57277), (1397, 20131), (5207, 5401)]