16204401

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 8678799

約数列:

[1, 3, 9, 27, 71, 79, 107, 213, 237, 321, 639, 711, 963, 1917, 2133, 2889, 5609, 7597, 8453, 16827, 22791, 25359, 50481, 68373, 76077, 151443, 205119, 228231, 600163, 1800489, 5401467, 16204401]

約数ペア:

[(1, 16204401), (3, 5401467), (9, 1800489), (27, 600163), (71, 228231), (79, 205119), (107, 151443), (213, 76077), (237, 68373), (321, 50481), (639, 25359), (711, 22791), (963, 16827), (1917, 8453), (2133, 7597), (2889, 5609)]