290471157

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 437184000

約数和(自身を除く): 146712843

約数列:

[1, 3, 9, 27, 109, 229, 327, 431, 687, 981, 1293, 2061, 2943, 3879, 6183, 11637, 24961, 46979, 74883, 98699, 140937, 224649, 296097, 422811, 673947, 888291, 1268433, 2664873, 10758191, 32274573, 96823719, 290471157]

約数ペア:

[(1, 290471157), (3, 96823719), (9, 32274573), (27, 10758191), (109, 2664873), (229, 1268433), (327, 888291), (431, 673947), (687, 422811), (981, 296097), (1293, 224649), (2061, 140937), (2943, 98699), (3879, 74883), (6183, 46979), (11637, 24961)]