28681023

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 49248000

約数和(自身を除く): 20566977

約数列:

[1, 3, 7, 17, 21, 23, 49, 51, 69, 119, 147, 161, 357, 391, 483, 499, 833, 1127, 1173, 1497, 2499, 2737, 3381, 3493, 8211, 8483, 10479, 11477, 19159, 24451, 25449, 34431, 57477, 59381, 73353, 80339, 178143, 195109, 241017, 415667, 562373, 585327, 1247001, 1365763, 1687119, 4097289, 9560341, 28681023]

約数ペア:

[(1, 28681023), (3, 9560341), (7, 4097289), (17, 1687119), (21, 1365763), (23, 1247001), (49, 585327), (51, 562373), (69, 415667), (119, 241017), (147, 195109), (161, 178143), (357, 80339), (391, 73353), (483, 59381), (499, 57477), (833, 34431), (1127, 25449), (1173, 24451), (1497, 19159), (2499, 11477), (2737, 10479), (3381, 8483), (3493, 8211)]