28927143

素因数分解:

$3^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1279}}^1$

素因数の和:1651

約数の個数: 24

約数和(自身を含む): 47923200

約数和(自身を除く): 18996057

約数列:

[1, 3, 7, 9, 21, 63, 359, 1077, 1279, 2513, 3231, 3837, 7539, 8953, 11511, 22617, 26859, 80577, 459161, 1377483, 3214127, 4132449, 9642381, 28927143]

約数ペア:

[(1, 28927143), (3, 9642381), (7, 4132449), (9, 3214127), (21, 1377483), (63, 459161), (359, 80577), (1077, 26859), (1279, 22617), (2513, 11511), (3231, 8953), (3837, 7539)]