28876113

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1493}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 47855808

約数和(自身を除く): 18979695

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 1493, 2149, 2763, 4479, 6447, 10451, 13437, 19341, 31353, 94059, 458351, 1375053, 3208457, 4125159, 9625371, 28876113]

約数ペア:

[(1, 28876113), (3, 9625371), (7, 4125159), (9, 3208457), (21, 1375053), (63, 458351), (307, 94059), (921, 31353), (1493, 19341), (2149, 13437), (2763, 10451), (4479, 6447)]