69381981

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2129}}^1$

素因数の和:2226

約数の個数: 32

約数和(自身を含む): 110419200

約数和(自身を除く): 41037219

約数列:

[1, 3, 9, 17, 27, 51, 71, 153, 213, 459, 639, 1207, 1917, 2129, 3621, 6387, 10863, 19161, 32589, 36193, 57483, 108579, 151159, 325737, 453477, 977211, 1360431, 2569703, 4081293, 7709109, 23127327, 69381981]

約数ペア:

[(1, 69381981), (3, 23127327), (9, 7709109), (17, 4081293), (27, 2569703), (51, 1360431), (71, 977211), (153, 453477), (213, 325737), (459, 151159), (639, 108579), (1207, 57483), (1917, 36193), (2129, 32589), (3621, 19161), (6387, 10863)]