28060137

素因数分解:

$3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1423}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 46502144

約数和(自身を除く): 18442007

約数列:

[1, 3, 7, 9, 21, 63, 313, 939, 1423, 2191, 2817, 4269, 6573, 9961, 12807, 19719, 29883, 89649, 445399, 1336197, 3117793, 4008591, 9353379, 28060137]

約数ペア:

[(1, 28060137), (3, 9353379), (7, 4008591), (9, 3117793), (21, 1336197), (63, 445399), (313, 89649), (939, 29883), (1423, 19719), (2191, 12807), (2817, 9961), (4269, 6573)]