7187271

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3761}}^1$

素因数の和:3791

約数の個数: 24

約数和(自身を含む): 12008304

約数和(自身を除く): 4821033

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 3761, 11283, 26327, 48893, 78981, 146679, 184289, 342251, 552867, 1026753, 2395757, 7187271]

約数ペア:

[(1, 7187271), (3, 2395757), (7, 1026753), (13, 552867), (21, 342251), (39, 184289), (49, 146679), (91, 78981), (147, 48893), (273, 26327), (637, 11283), (1911, 3761)]