209821748829

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12793229}}^1$

素因数の和:12793321

約数の個数: 32

約数和(自身を含む): 353707223040

約数和(自身を除く): 143885474211

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 5467, 16401, 12793229, 38379687, 89552603, 140725519, 268657809, 422176557, 908319259, 985078633, 2724957777, 2955235899, 6358234813, 9991511849, 19074704439, 29974535547, 69940582943, 209821748829]

約数ペア:

[(1, 209821748829), (3, 69940582943), (7, 29974535547), (11, 19074704439), (21, 9991511849), (33, 6358234813), (71, 2955235899), (77, 2724957777), (213, 985078633), (231, 908319259), (497, 422176557), (781, 268657809), (1491, 140725519), (2343, 89552603), (5467, 38379687), (16401, 12793229)]