81826855

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 108610992

約数和(自身を除く): 26784137

約数列:

[1, 5, 11, 55, 121, 211, 605, 641, 1055, 2321, 3205, 7051, 11605, 25531, 35255, 77561, 127655, 135251, 387805, 676255, 1487761, 7438805, 16365371, 81826855]

約数ペア:

[(1, 81826855), (5, 16365371), (11, 7438805), (55, 1487761), (121, 676255), (211, 387805), (605, 135251), (641, 127655), (1055, 77561), (2321, 35255), (3205, 25531), (7051, 11605)]