81585049

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{607}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 102859008

約数和(自身を除く): 21273959

約数列:

[1, 7, 13, 49, 91, 211, 607, 637, 1477, 2743, 4249, 7891, 10339, 19201, 29743, 55237, 128077, 134407, 386659, 896539, 1665001, 6275773, 11655007, 81585049]

約数ペア:

[(1, 81585049), (7, 11655007), (13, 6275773), (49, 1665001), (91, 896539), (211, 386659), (607, 134407), (637, 128077), (1477, 55237), (2743, 29743), (4249, 19201), (7891, 10339)]