81197831

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 102187008

約数和(自身を除く): 20989177

約数列:

[1, 11, 13, 17, 127, 143, 187, 221, 263, 1397, 1651, 2159, 2431, 2893, 3419, 4471, 18161, 23749, 28067, 33401, 37609, 49181, 58123, 308737, 367411, 434213, 567817, 639353, 4776343, 6245987, 7381621, 81197831]

約数ペア:

[(1, 81197831), (11, 7381621), (13, 6245987), (17, 4776343), (127, 639353), (143, 567817), (187, 434213), (221, 367411), (263, 308737), (1397, 58123), (1651, 49181), (2159, 37609), (2431, 33401), (2893, 28067), (3419, 23749), (4471, 18161)]