28205654409

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{62791}}^1$

素因数の和:63058

約数の個数: 32

約数和(自身を含む): 42437345280

約数和(自身を除く): 14231690871

約数列:

[1, 3, 9, 27, 127, 131, 381, 393, 1143, 1179, 3429, 3537, 16637, 49911, 62791, 149733, 188373, 449199, 565119, 1695357, 7974457, 8225621, 23923371, 24676863, 71770113, 74030589, 215310339, 222091767, 1044653867, 3133961601, 9401884803, 28205654409]

約数ペア:

[(1, 28205654409), (3, 9401884803), (9, 3133961601), (27, 1044653867), (127, 222091767), (131, 215310339), (381, 74030589), (393, 71770113), (1143, 24676863), (1179, 23923371), (3429, 8225621), (3537, 7974457), (16637, 1695357), (49911, 565119), (62791, 449199), (149733, 188373)]