81984123

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1783}}^1$

素因数の和:1936

約数の個数: 32

約数和(自身を含む): 131873280

約数和(自身を除く): 49889157

約数列:

[1, 3, 9, 13, 27, 39, 117, 131, 351, 393, 1179, 1703, 1783, 3537, 5109, 5349, 15327, 16047, 23179, 45981, 48141, 69537, 208611, 233573, 625833, 700719, 2102157, 3036449, 6306471, 9109347, 27328041, 81984123]

約数ペア:

[(1, 81984123), (3, 27328041), (9, 9109347), (13, 6306471), (27, 3036449), (39, 2102157), (117, 700719), (131, 625833), (351, 233573), (393, 208611), (1179, 69537), (1703, 48141), (1783, 45981), (3537, 23179), (5109, 16047), (5349, 15327)]