28393995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15907}}^1$

素因数の和:15939

約数の個数: 32

約数和(自身を含む): 54978048

約数和(自身を除く): 26584053

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 15907, 47721, 79535, 111349, 238605, 270419, 334047, 556745, 811257, 1352095, 1670235, 1892933, 4056285, 5678799, 9464665, 28393995]

約数ペア:

[(1, 28393995), (3, 9464665), (5, 5678799), (7, 4056285), (15, 1892933), (17, 1670235), (21, 1352095), (35, 811257), (51, 556745), (85, 334047), (105, 270419), (119, 238605), (255, 111349), (357, 79535), (595, 47721), (1785, 15907)]