16211643

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 25546752

約数和(自身を除く): 9335109

約数列:

[1, 3, 7, 21, 71, 83, 131, 213, 249, 393, 497, 581, 917, 1491, 1743, 2751, 5893, 9301, 10873, 17679, 27903, 32619, 41251, 65107, 76111, 123753, 195321, 228333, 771983, 2315949, 5403881, 16211643]

約数ペア:

[(1, 16211643), (3, 5403881), (7, 2315949), (21, 771983), (71, 228333), (83, 195321), (131, 123753), (213, 76111), (249, 65107), (393, 41251), (497, 32619), (581, 27903), (917, 17679), (1491, 10873), (1743, 9301), (2751, 5893)]