81415386

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{347929}}^1$

素因数の和:347950

約数の個数: 24

約数和(自身を含む): 189969780

約数和(自身を除く): 108554394

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 347929, 695858, 1043787, 2087574, 3131361, 4523077, 6262722, 9046154, 13569231, 27138462, 40707693, 81415386]

約数ペア:

[(1, 81415386), (2, 40707693), (3, 27138462), (6, 13569231), (9, 9046154), (13, 6262722), (18, 4523077), (26, 3131361), (39, 2087574), (78, 1043787), (117, 695858), (234, 347929)]