201333209

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5261}}^1$

素因数の和:5357

約数の個数: 24

約数和(自身を含む): 259142976

約数和(自身を除く): 57809767

約数列:

[1, 7, 11, 49, 71, 77, 497, 539, 781, 3479, 5261, 5467, 36827, 38269, 57871, 257789, 373531, 405097, 2614717, 2835679, 4108841, 18303019, 28761887, 201333209]

約数ペア:

[(1, 201333209), (7, 28761887), (11, 18303019), (49, 4108841), (71, 2835679), (77, 2614717), (497, 405097), (539, 373531), (781, 257789), (3479, 57871), (5261, 38269), (5467, 36827)]