213565231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{8821}}^1$

素因数の和:8934

約数の個数: 16

約数和(自身を含む): 243910656

約数和(自身を除く): 30345425

約数列:

[1, 11, 31, 71, 341, 781, 2201, 8821, 24211, 97031, 273451, 626291, 3007961, 6889201, 19415021, 213565231]

約数ペア:

[(1, 213565231), (11, 19415021), (31, 6889201), (71, 3007961), (341, 626291), (781, 273451), (2201, 97031), (8821, 24211)]