405536131

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2719}}^1$

素因数の和:2899

約数の個数: 32

約数和(自身を含む): 548352000

約数和(自身を除く): 142815869

約数列:

[1, 7, 11, 13, 77, 91, 143, 149, 1001, 1043, 1639, 1937, 2719, 11473, 13559, 19033, 21307, 29909, 35347, 149149, 209363, 247429, 388817, 405131, 2721719, 2835917, 4456441, 5266703, 31195087, 36866921, 57933733, 405536131]

約数ペア:

[(1, 405536131), (7, 57933733), (11, 36866921), (13, 31195087), (77, 5266703), (91, 4456441), (143, 2835917), (149, 2721719), (1001, 405131), (1043, 388817), (1639, 247429), (1937, 209363), (2719, 149149), (11473, 35347), (13559, 29909), (19033, 21307)]