28205121009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^2\times {\mathrm{44839}}^1$

素因数の和:45109

約数の個数: 24

約数和(自身を含む): 40821977280

約数和(自身を除く): 12616856271

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4953, 16129, 44839, 48387, 134517, 209677, 582907, 629031, 1748721, 5694553, 17083659, 74029189, 222087567, 723208231, 2169624693, 9401707003, 28205121009]

約数ペア:

[(1, 28205121009), (3, 9401707003), (13, 2169624693), (39, 723208231), (127, 222087567), (381, 74029189), (1651, 17083659), (4953, 5694553), (16129, 1748721), (44839, 629031), (48387, 582907), (134517, 209677)]