28891347

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{337}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 41930928

約数和(自身を除く): 13039581

約数列:

[1, 3, 17, 41, 51, 123, 337, 697, 1011, 1681, 2091, 5043, 5729, 13817, 17187, 28577, 41451, 85731, 234889, 566497, 704667, 1699491, 9630449, 28891347]

約数ペア:

[(1, 28891347), (3, 9630449), (17, 1699491), (41, 704667), (51, 566497), (123, 234889), (337, 85731), (697, 41451), (1011, 28577), (1681, 17187), (2091, 13817), (5043, 5729)]