81420735

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29027}}^1$

素因数の和:29063

約数の個数: 32

約数和(自身を含む): 150481152

約数和(自身を除く): 69060417

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 29027, 87081, 145135, 319297, 435405, 493459, 957891, 1480377, 1596485, 2467295, 4789455, 5428049, 7401885, 16284147, 27140245, 81420735]

約数ペア:

[(1, 81420735), (3, 27140245), (5, 16284147), (11, 7401885), (15, 5428049), (17, 4789455), (33, 2467295), (51, 1596485), (55, 1480377), (85, 957891), (165, 493459), (187, 435405), (255, 319297), (561, 145135), (935, 87081), (2805, 29027)]