81503785

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 110818944

約数和(自身を除く): 29315159

約数列:

[1, 5, 11, 37, 55, 121, 185, 331, 407, 605, 1331, 1655, 2035, 3641, 4477, 6655, 12247, 18205, 22385, 40051, 49247, 61235, 134717, 200255, 246235, 440561, 673585, 1481887, 2202805, 7409435, 16300757, 81503785]

約数ペア:

[(1, 81503785), (5, 16300757), (11, 7409435), (37, 2202805), (55, 1481887), (121, 673585), (185, 440561), (331, 246235), (407, 200255), (605, 134717), (1331, 61235), (1655, 49247), (2035, 40051), (3641, 22385), (4477, 18205), (6655, 12247)]